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NCI Dictionary of Cancer Terms

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NCI Dictionary of Cancer Terms



extragonadal germ cell tumor  listen  (EK-struh-goh-NA-dul jerm sel TOO-mer)

  A rare cancer that develops in germ cells that are found in areas of the body other than the ovary or testicle (such as the brain, chest, abdomen, or tailbone). Germ cells are reproductive cells that develop into sperm in males and eggs in females.