Postoperative pulmonary complications.
D000293:Adolescent; D000328:Adult; D002648:Child; D005260:Female; D006801:Humans; D007564:Japan; D008171:Lung Diseases / Q000209:etiology*; D008297:Male; D011183:Postoperative Complications / Q000453:epidemiology* / Q000517:prevention & control*; D001261:Pulmonary Atelectasis / Q000209:etiology; D012129:Respiratory Function Tests