Monomorphic adenoma of the buccal mucosa.
D000236:Adenoma / Q000473:pathology*; D002610:Cheek; D006801:Humans; D008297:Male; D008875:Middle Aged; D009061:Mouth Mucosa / Q000473:pathology*; D009062:Mouth Neoplasms / Q000473:pathology*; D014456:Ulcer / Q000473:pathology