ABCD rating

ABCD rating, also called the Jewett staging system or the Whitmore-Jewett staging system, is a staging system for prostate cancer that uses the letters A, B, C, and D.

• “A” and “B” refer to cancer that is confined to the prostate.
• “C” refers to cancer that has grown out of the prostate but has not spread to lymph nodes or other places in the body.
• “D” refers to cancer that has spread to lymph nodes or to other places in the body.

ABCD rating can also refer to a test for the warning signs of melanoma, usually found in moles.

• “A” Asymmetry
• “B” Border Irregularity
• “C” Color. If the patch is multi-colored, it may be melanoma.
• “D” Diameter. If the patch is wider than 6 millimeters, it may be melanoma.

• ABCD rating in NCI Dictionary from PDQ (2004). Verified availability 2005-03-25.
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