Penile cancer is a rare type of cancer that affects the penis. It most commonly occurs on the foreskin or head of the penis in uncircumcised men. Symptoms may include growths, sores, bleeding, or lumps on the penis that do not heal. Diagnosis involves physical exams, biopsies, and imaging tests. Risk factors include HPV infection, lack of circumcision, smoking, and certain skin conditions. The document provides information about penile cancer signs, diagnosis, and risk factors to help people understand this rare form of cancer.