title: Disagreements about classification of malignant melanomas.
mesh_terms: D003937:Diagnosis, Differential; D006801:Humans; D007911:Lentigo / Q000473:pathology; D008544:Melanocytes / Q000473:pathology; D008545:Melanoma / Q000145:classification* / Q000175:diagnosis / Q000473:pathology; D009367:Neoplasm Staging; D009508:Nevus, Pigmented / Q000473:pathology; D012878:Skin Neoplasms / Q000145:classification* / Q000175:diagnosis / Q000473:pathology