Source:http://linkedlifedata.com/resource/umls/id/C0259990
NCI: 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.,NCI: A physician who specializes in diagnosing and treating cancer. (NCI),NCI: A physician who specializes in the diagnosis and treatment of cancer.