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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compression fracture
(kum-PREH-shun FRAK-sher)
A type of break in a bone caused by pressure and in which the bone collapses. Compression fractures usually occur in the spine (backbone) and in bones made weak by cancer or by osteoporosis (a decrease in bone mass and density).