Welcome to the home of cancer surgery in Kolkata, India. Dr. Srikrishna Mandal is one of the most renowned cancer surgeons and oncologist of eastern India and Kolkata.   He has successfully conducted many cancer and tumour operations in various parts of human body. Some of the surgeries were quite complex in nature and were applauded highly by the medical fraternity. His success rates are very high and are comparable to the best centres of the country and elsewhere in the world.       About Oncology   Oncology is a specialty within medicine that deals with the diagnosis and treatment of cancer, a disease that can affect many different tissues. The way in which cancer is treated depends on both the location of the cancer, as well as how fast it is growing.