Chemo and Breast Cancer
Comments
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The latest scientific article published in The Lancet on Adjuvant Chemotherapy for Early Breast Cancer can be found by following the linkYou can read the abstract for free and then if you register it says you can read the full text.The Mods
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Digger,
I had unclean margins that were not removed.
True story: This small-town Alaskan (me) was seen by her onc after surgery in Seattle, who failed to tell her about the unclean margins, and with his usual lack of communication, just sent her off for an MRI for a questionable "spot" on the xyphoid. The dark spot was there but was determined to be benign. Said Alaskan had pre-arranged flight reservations and figured there was no reason to hang around any longer, and flew home. Two weeks later while still completely ignorant of the dirty margins, she happens upon her PCP in a hallway, who, being an exceptionally low-key guy, mentions calmly that maybe she will "have to" return to Seattle... I'm not sure what he thought caused me to end up back home with dirty margins. Anyway, I was totally in the dark as to why I would have to go back. Meanwhile, my tumor board in Seattle got together and scratched heads, and eventually determined that rads would take care of the problem. So I never did have the margins removed.
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AA: I think the diet and exercise component is waaaay overlooked in prevention of bc recurrance.
Sounds like you are on the right track with your diet and supplementation. I will be doing something similar. I wish you all the best.
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impositive, thanks for clarifying what you meant when you said that BC is systemic.
When I read your explanation, my first reaction was "well, yes, that's true". Something caused those cells in our breasts to mutate and that underlying cause - whatever combination of genetic and/or biological and/or environmental and/or lifestyle factors - likely affects our whole body (and thereby is systemic) and very well might be affecting other cells in other parts of our bodies. So what you said makes sense. And it is supported by the fact that those who are diagnosed with BC are somewhat more likely to be diagnosed with another cancer at some point in the future. Someone in the DCIS forum asked about that recently and I found this following: http://www.medpagetoday.com/HematologyOncology/BreastCancer/2286
But then I thought about it some more. I still agree with you in many cases but not in all cases. I think in fact sometimes cancer cells do spring up in the breast spontaneously without any connection to anything else going on in our bodies. Don't cells sometimes just fail? Our bodies are imperfect and our cells and genes don't last forever. Is it also not possible that a particular combination of biological/environmental/lifestyle factors that we were exposed to had an effect only on specific genes that only affect cells in the breast? Because while it's true that those who are diagnosed with BC are somewhat more likely to be diagnosed with another type of cancer at some point in our lives, it's also true that in the end most of us do not develop another type of cancer.
I found this article which has a very interesting discussion about the history of our understanding of cancer: http://science-education.nih.gov/supplements/nih1/cancer/guide/understanding1.htm
To your question about whether it's true that the majority of women with BC never see a recurrence or metastasis, I'll refer back to the SEER stats that I posted, along with all the links, a few pages earlier. There is no information on local (in the breast) recurrence rates, but I think it's fair to interpret the data to say that if someone did not survive BC, this means that they had a distant recurrence, i.e. they developed mets. On the other hand, if someone survived long-term, then it's fair to assume that they did not develop mets. According to the SEER data, the 19 year survival rate for those diagnosed in the years 1985 to 1989 was 65.2%. Chances are that there were some women who were diagnosed during those years and who developed mets but who were still living 19 years after their initial diagnosis. Maybe another 5%? That would suggest that approx. 60% of the women diagnosed during those years did not go on to develop mets.
Unfortunately long term survival data is not available yet for those diagnosed more recently but we can do some rough extrapolating. The 10 year survival rate for women diagnosed in the '85-'89 period was 73.5%. The 10 year survival rate for women diagnosed in 1998 (the most recent 10 year data available) was 83.6%. So 10 year survival increased by 10 points from '85-'89 to 1998. Conservatively, if we assume that only half of that 10% go on to long-term survival (i.e. 5% did not develop mets at all but the other 5% did develop mets but survived longer), this would mean that of those women diagnosed with BC in 1998, 65% will not develop mets. Since survival rates appear to be continuing to increase, we can assume that for those diagnosed today, the percentage will be at least as good if not better.
So in answer to your question, yes it is true that the majority of women diagnosed with BC will never see a distant recurrence / metastisis.
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Kaara - your breast cancer was probably caused by taking the pill and HRT as I believe mine was. My immune system is healthy and always has been too. My GP told me the pill is 5 times the strength of HRT. I also think there is link between bc and thyroid issues as the breasts process iodine. Our diets are lacking in iodine. In Japan, there is a really low incidence of bc as their diets are high in iodine.
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So AlaskaAngel,
If I understand your story correctly, said Alaskan (you) had dirty margins after surgery, but you also had follow-up radiation.
If I understand impositive correctly, she also had dirty margins but declined any conventional (I.e. a second surgery to remove the remaining cancer, radiation, chemo or other drug treatment).
These are of course personal choices, but while we're discussing who's having progression and who's not, it's important to know exactly what the facts are.
Haven't heard back from impositive, but I believe those were the choices she made. -
Kaara,
Thanks! I was raised with food home-grown and I think that made some difference even though I got bc eventually (lots of us on both sides of the family got it but all did well). One major influence on me, though, was a person who posted on her2support about the in-depth analysis (from a chemistry mind) about the really intricate molecular type stuff about food. Because I understood enough of it, it helped me to work on balancing the types of fats I eat and I do think it is really important. (EVOO, walnuts, salmon, freshly ground flaxseed, etc. and very little meat or dairy.) For shorthand sometimes I tell people to consider the book Pink Ribbon Diet because it comes close, although I have eliminated more starches and meats than are allowed in the Pink Ribbon Diet.
A.A.
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Digger,
In short, yes. I was just responding to the mention sounding like anyone would be nuts to not eliminate dirty margins. It happens, and the it isn't always the patient's idea in the first place, but doctors who fail to be professional with the patient.
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Thats life,
Well put !
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Beesie..survival rates may be increasing because more women are getting dxd at very early stage due to better imaging and more fequent imaging in the last decade or two....hence there are more numbers in 'survival' stats....because the chances of surviving very early stage BC are quite good. Spontaneous remissions of very early stage BC are also thought to be quite common now. I would argue that the percentage of spontaneous remissions of early stage BC are encouraging enough for us to consider dietary and lifestyle changes prior to as well as after a BC diagnosis.
Stats for MBC show little change in survival in the last few decades.
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thats-life,
I'm just wondering how recurrences/mets are classified...
"survival rates may be increasing because more women are getting dxd at very early stage due to better imaging and more fequent imaging in the last decade or two....hence there are more numbers in 'survival' stats....because the chances of surviving very early stage BC are quite good."
With more diagnoses much earlier (but along with that, more imaging cumulatively over longer periods of time).... and more imaging of those with mets than ever before.... and given that the characteristics of cancers change with time and one's hormonal status....
How would the cause be determined as to whether a new tumor was due to the original not being adequately treated vs being due to the more extensive rads?
A.A.
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I keep reading that modern treatments, including chemo, haven't substantially improved BC survival rates, but then I find data like this from1969 and it makes me wonder... (see pages 297 and 298)
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2008277/pdf/brjcancer00471-0062.pdf
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that's life, I was simply addressing the specific question asked by impositive about whether it is "true that the majority never see a recurrence or metastasis?" The answer is that it is true. It may also be true that more women are being diagnosed now in the earlier stages; the data I presented doesn't talk to that. I certainly know that many more cases of DCIS are being diagnosed now however the SEER data that I presented is for invasive cancer only which means that DCIS diagnoses are not included in these numbers.
Your comment about MBC survival rates gets to a completely different question/issue - not what I was addressing at all. We know that there unfortunately is no cure for MBC so it's no surprise that there is little change in MBC survival rates in the last few decades. I believe however that those who are Stage IV are surviving longer now than in the past. Here are two analyses of this, one from the U.S. and one from Greece:
http://www.cbcrp.org/publications/papers/mayer/page_03.php "A recent study from M.D. Anderson Cancer Center13 that compared length of survival of metastatic breast cancer patients treated at their institution in five-year increments, found that median survival had doubled to 51 months (range 33-69 months) in 1995-2000 from a median survival of 27 months (range 21-33 months) only five years earlier, 1990-1994. Five years after their diagnosis with metastatic disease, 40 percent of these patients were still alive, as compared with 29 percent during 1990-1994. At the initiation of their study, during the period 1974-79, only 10 percent of patients were still alive at five years and the median survival was only 15 months (range 11-19 months). "
http://www.ncbi.nlm.nih.gov/pubmed/19915976 "Survival improved significantly across diagnosis time periods, by 25, 44, and 51%, respectively, in each time period (1995-1998: HR = 0.75, P = 0.004; 1999-2002: HR = 0.56, P\0.001; 2003-2006: HR = 0.49, P\0.001) as compared to the first time period (1991-1994).....The results of this study provide significant evidence of improvement in prognosis of MBC patients within the last 15 years, taking into account all the important significant prognostic factors, and this improvement can be attributed to the use of new systemic treatment agents in the management of the disease."
Time for me to exit this discussion again, although I find it very interesting and educational. Both times I've entered this discussion, I did so in response to questions asked that interested me and that I thought that I could help answer (I like digging around to find research studies). The problem is that I present data that says one thing but then the data is used to draw conclusions that aren't even connected to the data. And because of the data that I've presented (which was in response to very specific questions), some have concluded that I am saying something or implying something (about chemo or about alternate medicine or about the people who frequent this forum) that I'm in no way saying or implying. So I'm out of here before all that starts up again.
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Re dirty margins. Mine led to my mast. Pathology showed my breast was 'full' of cancer that had not shown up on any scans. Some of the spots were as big as and bigger than the one that did appear on scans. When I hear about women leaving dirty margins I worry that they are making their decision based on scan results.
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Beesie - great post as usual. MBC women are living much longer if they take the recommended treatments like Zometa etc.
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AlaskaAngel,
Just to clarify, I wasn't implying that someone is nuts for leaving dirty margins, I'm sorry if you inferred that. Who am I to say anyone is nuts?
What I did mean to convey, however, is that having or leaving dirty margins does have implications, and that's all I was trying to say. Everyone of course makes their own decisions regarding their choice of treatment, but again, all choices have implications. And leaving dirty margins without any further conventional treatment does have implications, and so I think if we're discussing the likelihood of a person's BC progression, it's important to know what that person's choice was regarding whether to leave the dirty margins as is. That's all I was saying.
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Hi Digger,
I didn't take offense as your comment was completely innocent. Dirty margins are a known risk. I just remembered how ridiculous it was that I ended up back in Alaska with dirty margins without even knowing it or understanding why my PCP would think I should fly back to Seattle, and shared the story.
Things do sometimes happen unintentionally (but why have so many of them happened to me!). I had such a difficult time reconciling the knowledge that the onc I had was voted by medical personnel to be the best, and with me he was a total zero on every count. He completely failed to tell me or provide the pathology to let me know that I was HER2 positive, and because that part of the path report was always received a couple of days after the ER/PR, no one ever told me. I eventually suspected it and sent a request to see if there was more to my path report, and learned I was HER2+++. In trying to figure out what possibly could have been the cause for his steady failure to be informative or helpful, the only things I could come up with are really far-fetched. But I've worked with doctors for years without any having that kind of a reaction to me. Either he really really didn't want to help me... or... he felt so uncomfortable with me that he couldn't get himself on track.
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Digger, thanks for all of your posts.
What was your breast cancer diagnosis? I don't see it in your signature.
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Sorry beesie, i was misread too. i was not directing my comment to you as such, just wanted to respond with another possible reason for better stats. I dont have an agenda, just (obviously) a desire to discuss treatment options within a respectful environment, and also, I have wanted to share what I have learned in the hope that others could benefit. I could have sat at home here making beneficial changes, helping my body, knowing grapefruit would deactivate tamoxifen for example, knowing diet can help with triple negs...and i could do without the stress of my involvement here believe me..recently i have been thinking 'whats the use?' I hope one day the info I and others have provided in the spirit of hope and encouragement, will be seen to have been of value. Im heading off too. Good luck everyone.
P.s. A slight Increased survival with MBC is probably due to hormonals and herceptin.
Suzie, please be careful recommending zometa. Premenstrual women need to discuss it carefully with their oncs, and ask for latest research/study results on the issue.
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Beesie, I love your contribution on the chemo threads. I like that you are impartial and I believe you are someone who geniunely cares about others. Your research is awesome. Sharing our research, thoughts and etc is good. This is why Leia put this out there. I think she wants discussion. It's ok that we don't all agree. If we all thought the same thing there would be no discussion...right? Even the alternative bc sisters differ on treatments, but we are all fighting the same disease and give one another info that will help us in our search for answers.
The internet isn't the best form of communication. For me, I think faster than I type and for this reason may leave out important words that may completely change the meaning of what I really want to say. Or, we just mis understood what a person was trying to say or they said it in a way that may cause mis understanding.
I hope we won't let this stop us from working together, and sharing what we are learning. We need you here Beesie, Princess, Alaska Angel, Impositive, Leia, Medici, thatslife, susie, digger and everyone else who have taken the time to share their thoughtful opinions and research.
(((hugs))) to all of you!
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I do hope people stay as I've only just gotten around to posting.
I just read the abstract of the lancet article posted by the mods (thanks!) and it does show that there is improvement in overall 10-year survival with polychemotherapy compared to no chemotherapy for early stage. And that is a meta-analysis involving 100,000 patients in randomized trials. Unfortunately no breakdown as to ER status, ie low chemo benefit status. Also it is not comparing with alternative therapies.
As for Mbc, a multi center French study did find historical improvement in survival which was attributed to taxanes and/ or new aromatase inhibitors. I'm wondering though if this ia part of the French paradox. Maybe it's the red wine? Or maybe they are smoking less and the red wine is kicking in.
With zometa, the latest study (Coleman) suggests premenopausal women (cutoff less than five years out from menopause) are at increased risk of extra- skeletal metastasis with zometa. But I don 't think the result reached statistical significance so has to be studied further. I think with zometa one needs to have a low estrogen environment and maybe a low estrogen reception environment (as with tamoxifen) is not enough? -
Leia,
Thanks for all your posts as well. I appreciate the shout out from you.
Any particular reaso why it's important for you to know the specifics of my diagnosis?
I unfortunately learned the hard way not to reveal any personal information here on BCO. It wasn't until I had been on BCO for a while that I learned of such weird terms as trolls, sock puppets, etc, as well as other posters using multiple user names to advance certain agendas. A little too creepy for my tastes.
Therefore, I imagine if it's really important for you to find this personal information about me, you can perform a more thorough search on me.
Why is this information important for you? Why do you need to know this about me? -
I wondered the same thing digger....but, it doesn't matter, because one could simply lie about their dx if they were so inclined. What is most important is the content of the posts...are they sincere and non confrontational in their efforts.
I'm very new to this disease and want to learn everything I can about all the options for treatment. I have quickly learned how to ignore those who don't have good motives and are constantly in attack mode.
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Good for you Kaara! So do I!
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http://scienceblogs.com/insolence/2011/12/so_chemotherapy_does_work_after_all.php#more
Orac discusses the Lancet article in the above link and concludes:
While it's true that chemotherapy decreases a woman's risk of dying from her breast cancer, the vast majority of women do not individually benefit from chemotherapy. That decrease in risk is based on populations and probabilities We can't predict in advance whether chemotherapy will help in an individual patient with an acceptable degree of accuracy, only apply probabilities based on population data. ... Fortunately, with the emerging era of genomic medicine, we are finally developing the tools necessary to identify these women. When that happens, we'll finally be able to make sure that only the women who can be saved by chemotherapy are the women who receive chemotherapy. I'm hoping that day is not too far off.
I find this very sad because those "vast majority" did not have to have chemotherapy, did not have to suffer the sometimes debilitating side effects, some did not have to be disabled or worse by cardiac and other toxicity. Given that this is the reality, I completely understand why some women would not want to undergo chemo and prefer to play the odds. Yes, I had it myself but mine was a high risk/high benefit situation, an aggressive approach to palliate rapidly worsening symptoms (pain, fatigue, cachexia).
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Heidi: I'd guess others are in the same boat as you.I was diagnosed with stage 3, grade 3 her 2 positive cancer at 47, and had no problems saying yes to AC and taxol. I have a husband and 3 children. I am now 48. I had a mother who smoked for 40-plus years and complained when dying of breast cancer at 67. I'm sorry - I have no problem listening to folks who have trained to heal what I'm suffering from. I feel I know a lot. I don't know everything.
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Heidi
Great article. I hope everybody reads the whole thing. Food for thought.
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From what I can tell, the analyses about pro's and con's of chemotherapy continue to fail to include a comparison for early stage bc that is based on chemotherapy plus choices like rads, SERMS like tamoxifen, and AI's like Arimidex vs ovarian ablation by other means plus choices like rads, SERMS like tamoxifen, and AI's like Arimidex.
Are they afraid that if a true comparison is done, there wouldn't be much reason for early stage bc patients to do chemotherapy?
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Hi A.A the study wss comissioned and carried out by publicly funded and charitable foundations. I know its very different in the usa, but on the uk, if they could find a cheaper way, or a way to exclude certain patients from expensive treatments by down playing the cost/benefit - they would!
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Heidihill,
You did not put Orac's complete conclusion in your post. This is the paragraph that preceded your cut and paste:
The bottom line is that, contrary to what you will hear from cranks and alt-med supporters who believe in "alternative" cancer cures, in the case of early stage breast cancer, chemotherapy saves lives. In women with breast cancer, it decreases the risk of their dying from breast cancer by approximately one-third. This is nothing to sneeze at, as it means thousands upon thousands of women who would have died but did not, thans to chemotherapy. This study simply represents yet another in a long line of studies, another strand in the web of evidence, that support the efficacy of chemotherapy in prolonging the lives of women with breast cancer. It's not perfect, and it has a lot of potential complications, but it works and in many cases it's better than the alternative.
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