title: Malignant melanoma in situ.
mesh_terms: D006801:Humans; D008297:Male; D008545:Melanoma / Q000473:pathology* / Q000601:surgery; D009361:Neoplasm Invasiveness; D009367:Neoplasm Staging; D012878:Skin Neoplasms / Q000473:pathology* / Q000601:surgery