NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 8,098 terms related to cancer and medicine.

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vaginal dilation therapy
(VA-jih-nul DY-LAY-shun THAYR-uh-pee)
A method used to prevent the closing of the vagina (the birth canal) after radiation therapy to the pelvis. The patient puts a dilator (tube-like device) coated with an oily or slippery substance into her vagina.