Results: male / female 1.03, common age over 40 years old, lower limbs 46.9%, superficial spreading melanoma 52, 3%, thickness > 2 mm 97.7%, Clark IV, V 80.8%, vertical growth phase 76.2%, satellite 33.8%, ulceration 49.2%, lymphovascular / angiolymphatic invasion 20.8%, mitotic rate > 6 / mm2 40.8%, sparse tumor infiltrating lymphocytes 46.2%, positive regional lymph nodes 48.5%, stage 2, 3 is 43.1%, 56.9%, respectively.