Brain Metastasis..........What should do?????

My mother's name is beauty.....i am continuing in this forum from her side because she is not much capable of writing here.Yeasterday a secondary brain metastasis found in MRI of brain.She has CA breast in left stage II.She has her mastactomy of left breast At Bangkok,She had 6 cycle Chemotherapy and 28 cycle Radiotherapy in my country in asia at Bangladesh.she has triple negetive cancer and She was well enough for last 2 years and was doing her checkup under a local oncologist.Yeasterday a MRI report says she had a a spot in bRAN and it is matastasis.Dr suggests a PET CT .she will do it in tuesday.......Dr alreday suggests chemotherapy and radiotherapy for her.Now my mental condition is so weak.I cany see my mother is dying day by day.....My financial condition is not so ok....

can anyone tell me what kind of treatment is for her?please share your thoughts that is similar to my mother's condition.

PRAY for my mother.......