melanoma. skin cancer

melanoma skin cancer cell malignant carcinoma anatomy stages moles dermatology types metastatic disease melanin medical human symptoms mole asymmetry biopsy dermoscopy metastasis immunotherapy therapy genetic mutations detection diagram treatment tumor growth health macro medicine sunburn advanced epidermis basal melanocytic lesions nevus naevus nevi naevi abnormal melanocytes layer tissue crosssection dermis basement membrane hair healthy care cross cutaway