How often are prostate tumors cancer rather than just an enlarged prostate?

Ca in older. Prostate cancer and BPH cause identical symptoms: hesitancy, dribbling, and frequent nighttime urination. Cancer is unregulated growth. Nodular bumpy , firm, enlarged prostate psa and alkaline phosphatase elevated. Treatment: monitoring to surgery to radiation therapy to hormonal therapy BPH = common after age 40.“boggy” prostate psa elevated. Treatment – medication turp, thermal.
Always. A tumor is a cancer. You may be asking about a nodule. In that case about 30% of nodules are cancerous.