oncologist
Cancer
(on-KAH-loh-jist) A doctor who specializes in treating cancer. Some oncologists specialize in a particular type of cancer treatment. For example, a radiation oncologist specializes in treating cancer with radiation.
Breast Cancer
(on-KOL'oh-jist) physician specializing in the knowledge pertaining to tumors.
Lung Cancer
(ahn-KAH-luh-jist): A doctor who specializes in studying and treating cancer.