can prostate cancer cause back pain
They can also be caused by an enlarged, noncancerous prostate or by a urinary tract infection. Symptoms of advanced prostate cancer include: 1  Dull, deep pain or stiffness in the pelvis, lower back, ribs, or upper thighs; pain in the bones of those areas. 2  Loss of weight and appetite, fatigue, nausea, or vomiting. 3  Swelling of the lower extremities. 4  Weakness or paralysis in the lower limbs, often with constipation.