carcinoma

A malignant tumor derived from epithelial tissue, which forms the skin and outer cell layers of internal organs.

A malignant tumour derived from epithelial tissue, which forms the skin and the outer cell layers of internal organs.

(KAR-sih-NOH-muh) Cancer that begins in the skin or in tissues that line or cover internal organs.

Any of the various types of cancerous tumors that form in the epithelial tissue, the tissue forming the outer layer of the body surface and lining the digestive tract and other hollow structures. Examples of this kind of cancer include, breast, lung, and prostate cancer. See also cancer