title: [Mediastinal emphysema].
mesh_terms: D000293:Adolescent; D001249:Asthma / Q000150:complications; D006801:Humans; D008297:Male; D008478:Mediastinal Emphysema / Q000175:diagnosis / Q000209:etiology* / Q000628:therapy; D008875:Middle Aged; D011379:Prognosis