PROSTATE CANCER - The second most common malignancy in men. A malignant tumor of glandular origin in the prostate. Over 95% are adenocarcinomas. Most commonly seen in older men, with the age of 73 being the average age at the time of diagnosis. A family history for prostate cancer and perhaps, a diet that is high is fat are considered to be risk factors for this malignancy. Early detection is possible through annual digital rectal examinations and routine PSA testing.