Benign nevi of the oral mucosa.
D000328:Adult; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D008297:Male; D008545:Melanoma / Q000175:diagnosis; D008875:Middle Aged; D009061:Mouth Mucosa / Q000473:pathology*; D009506:Nevus / Q000175:diagnosis / Q000473:pathology*; D009508:Nevus, Pigmented / Q000473:pathology