The document discusses malignant melanoma, a serious type of skin cancer. It defines melanoma as cancer that develops in melanocytes, the skin cells that produce pigment. The objectives are to introduce melanoma, define it, explain its causes and clinical manifestations, describe its diagnosis and management, and discuss prevention. Melanoma is caused mainly by UV radiation from sun exposure and can appear as a new or changing mole on the skin. Diagnosis involves biopsy and may include scans. Treatment includes surgery, immunotherapy, radiation, chemotherapy, and prevention focuses on avoiding sun exposure and wearing protective clothing.