The Tata Memorial Hospital that is located in Mumbai is a specialized cancer treatment and research centre, closely associated with the Advanced Centre for Treatment, Research and Education in Cancer. The hospital, that specializes in the treatment of acute lymphoblastic leukemia (A.L.L.) is also one of the few hospitals in India to have a P.E.T. Scanner. The Tata Memorial Hospital is a comprehensive centre for cancer research and treatment, where about 60 per cent of patients who come here are treated free of charge. The Tata Memorial Hospital which is one of the leading cancer hospitals in India was started by the Sir Dorabji Tata Trust in 1941 as a center with enduring value and a mission for concern for the Indian people.
More than 6000 major operations are performed annually and about 6000 patients are treated using Radiotherapy and Chemotherapy every year. Surgery, also, is an important method of treatment along with radiation therapy and chemotherapy. The Tata Memorial Hospital performs radically specialized surgeries with the very important objective of preserving life and conserving functioning of the organs. This hospital has the distinction of being the first place in the country to start Bone Marrow Transplant in 1983.