title: A case of agenesis and a case of rupture of the pectoralis major muscle.
mesh_terms: D000328:Adult; D001265:Athletic Injuries; D002648:Child; D006801:Humans; D008297:Male; D009135:Muscular Diseases / Q000175:diagnosis* / Q000209:etiology; D010369:Pectoralis Muscles / Q000002:abnormalities / Q000293:injuries* / Q000503:physiopathology; D012421:Rupture / Q000209:etiology