prostate cancer symptoms psa
Symptoms. Prostate cancer may cause no signs or symptoms in its early stages. Prostate cancer that is more advanced may cause signs and symptoms such as: 1  Trouble urinating. 2  Decreased force in the stream of urine. 3  Blood in the semen. 4  Discomfort in the pelvic area. 5  Bone pain. 6  Erectile dysfunction.