A physician who diagnoses and treats cancer using chemotherapy, immunotherapy, and other systemic therapies.
What oncologists do
Medical oncologists evaluate newly diagnosed cancer patients, stage disease, and prescribe systemic treatments such as chemotherapy, targeted therapy, and immunotherapy. They monitor response and side effects, manage complications, and coordinate care with surgeons, radiation oncologists, and palliative care.
Training path
US medical oncology requires medical school, a three-year internal medicine residency, and a two- to three-year hematology-oncology fellowship. Radiation oncology and surgical oncology are separate pathways.
Subspecialties
Many oncologists subspecialize in breast, gastrointestinal, thoracic, genitourinary, hematologic, gynecologic, or pediatric cancers. Bone marrow transplant and cellular therapy are growing fields.
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Oncologist starts with O and ends with T. Browse other professions along the same letter.
Professions that contain a letter from "Oncologist":