NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 8,118 terms related to cancer and medicine.

chromosome 3
(KROH-muh-some …)
One of a pair of chromosomes that is part of the 46 chromosomes found in the nucleus of most human cells. Specific changes in chromosome 3 may be found in patients with certain genetic conditions or some types of cancer, including bladder cancer. Checking for these changes may help diagnose cancer or find out if cancer has come back. Chromosome 3 is a type of tumor marker.