what is oncologist
Oncology is the study of cancer. A doctor who specializes in treating people with cancer is called an oncologist. Usually, an oncologist manages care and treatment once a person is diagnosed with cancer.Within the field of oncology, there are three primary clinical disciplines: medical oncology, surgical oncology, and radiation oncology.ey Messages: 1  An oncologist is a doctor who specializes in treating people with cancer. 2  The three main types of oncologists are medical, surgical, and radiation oncologists.