Profound atelectasis during anesthesia.
D000328:Adult; D000368:Aged; D000758:Anesthesia / Q000009:adverse effects*; D006801:Humans; D006813:Humidity; D008297:Male; D008875:Middle Aged; D009093:Mucus / Q000378:metabolism; D001261:Pulmonary Atelectasis / Q000209:etiology* / Q000517:prevention & control