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NCI Dictionary of Cancer Terms

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NCI Dictionary of Cancer Terms



undescended testicles  listen  (UN-deh-SEN-ded TES-tih-kuls)

  A condition in which one or both testicles fail to move from the abdomen, where they develop before birth, into the scrotum. Undescended testicles may increase the risk for development of testicular cancer. Also called cryptorchidism.