Help my Mother fight Breast Cancer

My mother is under diagnosis for breast cancer from advanced breast cancer since Jan 2019. She has been operated twice since then and undergone radiotherapy. Until Mid-Jun she has received 5 session of Chemotherapy. We were happy that almost all her treatment is done. Suddenly she developed issue with brain and was admitted in hospital on 28th Jun, doctor stated their is some fluid collection in the brain and requires some operation procedure. We have spent all the money, savings and ornaments that we had close to 5.5 Lakh till date hospital is reporting another 80,000 expenses and unable to bear it. Requesting any help that anyone can help to retrieve back to normal life. Due to brain issue she is unable to be conscious or walk..