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Metastasis

Synonym(s)

  • metastasize
  • secondary cancer

Definition(s)

A tumor that has spread from its original (primary) site of growth to another site, close to or distant from the primary site. Metastasis is characteristic of advanced malignancies, but in rare instances can be seen in neoplasms lacking malignant morphology. -- 2004

Definition from: NCI Thesaurus via Unified Medical Language SystemThis link leads to a site outside Genetics Home Reference. at the National Library of Medicine

The spread of cancer from one part of the body to another. A tumor formed by cells that have spread is called a "metastatic tumor" or a "metastasis." The metastatic tumor contains cells that are like those in the original (primary) tumor. The plural form of metastasis is metastases.

Definition from:  National Cancer Institute dictionaryThis link leads to a site outside Genetics Home Reference.

Related discussion in the Handbook

See also Understanding Medical Terminology.

 
Published: August 18, 2014