NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,811 terms related to cancer and medicine.

Browse the dictionary by selecting a letter of the alphabet or by entering a cancer-related word or phrase in the search box.

penile cancer
(PEE-nile KAN-ser)
A rare cancer that forms in the penis (an external male reproductive organ). Most penile cancers are squamous cell carcinomas (cancer that begins in flat cells lining the penis).

EnlargeAnatomy of the male reproductive and urinary systems; drawing shows the bladder, prostate gland, penis, urethra, testicle, and rectum.

Anatomy of the male reproductive and urinary systems showing the prostate, penis, testicles, bladder, and other organs.