Oncology is the study of tumor. A medical practitioner who treats oncology is known as an oncologist. Usually, an oncologist deals with care and treatment once a person is diagnosed with cancer. A medical oncologist treats growth utilizing chemotherapy or different medicines, for example, targeted therapy. A surgical oncologist expels the tumor and adjacent tissue amid an operation. A radiation oncologist treats malignancy utilizing radiation treatment. Oncologists may partition on the premise of the sort of treatment given to treat the malignancy. Molecular oncology is the study of chemistry of cancer and tumor cell at its molecular cell. Surgical oncology is the branch of oncology which manages the surgery connected to oncology. Gynaecologic oncology is one which concentrates on various growths of the female reproductive system.