Prevention and treatment of postoperative atelectasis in aged patient.
D000368:Aged; D001999:Bronchoscopy; D005260:Female; D005336:Fiber Optic Technology; D006801:Humans; D008297:Male; D008875:Middle Aged; D011183:Postoperative Complications; D001261:Pulmonary Atelectasis / Q000517:prevention & control / Q000628:therapy*