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13251 Surgery

A 62-year-old man presents to the OPD for an annual physical examination. After noting a PSA level of 12.3 ng/dL, you refer him to an urologist for fuher workup. Following a prostatic biopsy, the results show the presence of adenocarcinoma of the prostate, which is given a Gleason score of 8. The Gleason score is a measurement of:

AThe extent of cancer within the prostate gland
BThe extent of the cancer within the abdomen
CThe likelihood that the cancer will grow and spread
DThe number of cancer cells expressing prostate specific antigen (PSA) on their cell surface
Surgery
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