Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Penile Cancer ?
    ### Response:
    Key Points
                    - Penile cancer is a disease in which malignant (cancer) cells form in the tissues of the penis.    - Human papillomavirus infection may increase the risk of developing penile cancer.    - Signs of penile cancer include sores, discharge, and bleeding.
    