A surgical oncologist removes the tumor and nearby tissue during surgery. He or she also performs certain types of biopsies to help diagnose cancer. A radiation oncologist treats cancer using radiation therapy.
Medical oncology is a subspecialty of internal medicine, is closely associated with hematology and deals with tumors occurring in all organ systems. It is a varied, multidisciplinary field involving all aspects of internal medicine.
Radiation oncology is a modality of treatment that involves the controlled use of radiation beams to treat cancer and other symptoms caused by cancer. Radiation therapy also known as radiotherapy.
Chemotherapy uses anti-cancer (cytotoxic) drugs to destroy cancer cells. Cytotoxic means toxic to cells. Cytotoxic chemotherapy drugs disrupt the way cancer cells grow and divide but they also affect normal cells.
Causing approx. one fourth million deaths around the world annually, Cancer is one the leading form of cancer prevailing in the individuals. The major cause of cancer is the uncharacterized growth of cells.