Oncology is the branch of medicine that deals with tumors and cancer. It involves diagnosing and treating cancer through methods like surgery, chemotherapy, and radiation therapy. Medical oncology focuses on systemic cancer treatments like chemotherapy and targeted therapies. Radiation oncology uses radiation to treat cancer and prevent cancer cell reproduction. Surgical oncology manages cancer through surgical methods. Dr. Anil Potti is board certified in medical oncology and has significantly contributed to lung cancer research through his publications and programs.