Oncologists, a type of specialty doctor, diagnose and treat patients with cancer. A surgical oncologist is a doctor who specializes in treating cancer with surgery. They are the main doctor that will be seeing the patient, and they say whether the patient needs to see another (different) oncologist. Oncology is a branch of medicine that deals with the prevention, diagnosis, and treatment of cancer.A medical professional who practices oncology is an oncologist. They also perform biopsies , where they’ll remove a tiny piece of tissue so they can test it. The clinical oncologist often is called just an oncologist. A surgical oncologist uses surgery to remove tumors. A medical Oncologist is an Oncologist whose job it is to diagnose someone with cancer. There are several Types of oncologist: The medical oncologist, trained in the use of radiation treatment. Mostly all NHL survivors make use of the abilities of a medical oncologist. Other oncologists treat certain types of cancer. A Medical Oncologist diagnoses and treats cancer using chemotherapy (i.e., immunotherapy). Oncology is the specialized branch of medicine devoted to the field of cancer including diagnosis, treatments, and researches. Here are the types of oncologists:. ; A Surgical Oncologist diagnoses cancer by performing biopsies and also removes the tumor and surrounding tissues in surgeries. Types of Oncologists and Their Specialties in Oncology. Primary Duties: A radiation oncologist is a physician who specializes in using radiation therapy to cure cancer or reduce the symptoms. Doctors who treat cancer patients are known as oncologists. Radiation therapy, also called radiotherapy or radiosurgery, is a treatment that involves using intense and highly-targeted photon beams to destroy cancer cells or placing small amounts of irradiated material into the tissue affected by cancer. Some medical oncologists specialize, nevertheless. "burden, volume, mass" and 2. The types of surgery for breast cancer include the following: Lumpectomy. Who is an Oncologist? Learn more about the basics of cancer surgery. Generally, the smaller the tumor, the more surgical options a patient has. They also treat cancer using chemotherapy, hormonal therapy, biological therapy, and targeted therapy. The name's etymological origin is the Greek word ὄγκος (óngkos), meaning 1. ; A Radiation Oncologist treats cancer with radiation therapy. There are several sub-specialties within oncologists.