Variable intrathoracic airways obstruction masquerading as asthma.
D000328:Adult; D001249:Asthma / Q000175:diagnosis*; D002276:Carcinoid Tumor / Q000175:diagnosis; D003937:Diagnosis, Differential; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000175:diagnosis*; D008297:Male; D012123:Pulmonary Ventilation; D014134:Tracheal Neoplasms / Q000175:diagnosis