Below is an instruction from Human. Write a response.
    ### Instruction:
    What are the symptoms of Prostate Cancer ?
    ### Response:
    Signs of prostate cancer include a weak flow of urine or frequent urination. These and other signs and symptoms may be caused by prostate cancer or by other conditions. Check with your doctor if you have any of the following:         - Weak or interrupted ("stop-and-go") flow of urine.
    