< /ˌkɑr səˈnoʊ mə tə/. Pathology.

  1. a malignant and invasive epithelial tumor that spreads by metastasis and often recurs after excision; cancer.

noun plural -mas or -mata (-mətə) pathol

  1. any malignant tumour derived from epithelial tissue
  2. another name for cancer (def. 1)

“malignant tumor,” 1721, from Latin carcinoma, from Greek karkinoma “a cancer,” from karkinos “cancer,” literally “crab” (see cancer) + -oma.

n. pl. car•ci•no•mas

  1. An invasive malignant tumor derived from epithelial tissue that tends to metastasize to other areas of the body.

Plural carcinomas carcinomata (kär′sə-nō′mə-tə)

  1. Any of various cancerous tumors that are derived from epithelial tissue of the skin, blood vessels, or other organs and that tend to metastasize to other parts of the body. See also basal cell carcinoma squamous cell carcinoma.

A malignant tumor in the tissues that make up the skin, glands, mucous membranes, and lining of organs.

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