My brother is having brain tumor from last 3.5 years. When it diagnosed it's of 2nd stage glioma. After that 1st surgery done. In that surgery he had loose the control of right side cause tumor is on left side. Then after 1 year again it occurs and he had a second surgery in hinduja hospital mumbai. After 2nd surgery radiation of 6 weeks also took with 5 cycles of chemotherapy tablets. After a 1.5 years again it occurs and surgery is done in July 2015. Now his tumor is in 4th stage. 4 cycle of chemotherapy have took after 3rd surgery. But from MRI doctor said that the tumor is not responding to the chemotherapy tablets. It's occurring and increasing. Please suggest actual condition and treatment if there is.