Oncology is a new subject in the field of oncology that deals with different therapeutic methods to treat and cure cancer. The study of Oncology deals with carcinogenesis, tumor, oncogenes, chemotherapy, integrative medicine, neoplasia, gynecological cancer, hepatocellular cancer, Molecular Oncology, Urologic oncology, Orthopedic Oncology, Veterinary oncology, Cellular Oncology, Comparative oncology, Radio oncology, Clinical oncology, Medical Oncology, Interventional oncology, Oncology Esthetics, Musculoskeletal Oncology, Dental Oncology, Surgical oncology , Pediatric Oncology, Thoracic oncology, Genitourinary Oncology, Oncology Emergency, Oncology Nutrition, Oncology Analytics, Veterinary Oncology. It is often concerned with the studies related to conventional health care practices for the prevention and treatment of cancer. Oncology is concerned with the diagnosis, therapy, follow up and the palliative care of the cancer victim. Oncologists are specialized in treating cancer and play a crucial role in the diagnosis of the type and the stage of cancer, which sets the stage for treatment. They take the help of various tools like endoscopy, suction, biopsy and culturing of the body tissue or fluids to collect evidences and applies a combination of methods including pharmaceuticals, radiation and surgery for treatment.