NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 8,198 terms related to cancer and medicine.

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Pancoast tumor
(PAN-koste TOO-mer)
A type of lung cancer that begins in the upper part of a lung and spreads to nearby tissues such as the ribs and vertebrae. Most Pancoast tumors are non-small cell cancers. Also called pulmonary sulcus tumor.