Gov. Wolf said his prostate cancer was detected after a "regular checkup revealed abnormalities."
He declined to clarify whether that means he has been having routine PSA blood tests to check for prostate cancer. In recent years, PSA screening rates have been falling as expert groups have stressed the limits and risks of the practice.
The prostate-specific antigen test checks for a blood protein that can surge with benign as well as malignant prostate gland changes. Initially approved only to monitor cancer patients for recurrence, the PSA test cannot distinguish aggressive malignancies from those that would never be life-threatening if left untreated.
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