A tracheal tumor simulating asthma in a child.
D001249:Asthma / Q000175:diagnosis*; D002648:Child; D003937:Diagnosis, Differential; D006801:Humans; D008297:Male; D010212:Papilloma / Q000000981:diagnostic imaging*; D014056:Tomography, X-Ray; D014134:Tracheal Neoplasms / Q000000981:diagnostic imaging*; D014986:Xeroradiography