Posted on December 5th, 2001 by

A measure of the amount of DNA contained in a cell. Ploidy is a characteristic (marker) that helps predict how aggressive a cancer is likely to be. Cancers with the same amount of DNA as normal cells are called diploid and those with either more or less that that amount are aneuploid. About two-thirds of breast cancer are aneuploid.

Tags: Cancer Dictionary, P

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