The NCI Dictionary of Cancer Terms features 7,791 terms related
to cancer and medicine.
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part of chromosome 9 called p21, which has a gene that may be involved
in stopping tumor cell growth. In some types of cancer
cells, including bladder cancer cells, this small part of
chromosome 9 may be missing. This may cause cancer cell
growth. Checking for 9p21 may help diagnose cancer or find
out if cancer has come back. 9p21 is a type of tumor