Myositis ossificans of the buccinator muscle.
D000368:Aged; D002610:Cheek; D006801:Humans; D008297:Male; D009055:Mouth; D009135:Muscular Diseases / Q000473:pathology* / Q000601:surgery; D009221:Myositis Ossificans / Q000473:pathology* / Q000601:surgery