Detecting and correcting pulmonary risk factors before operation.
D000367:Age Factors; D000368:Aged; D006801:Humans; D008171:Lung Diseases / Q000175:diagnosis / Q000628:therapy; D011182:Postoperative Care; D011183:Postoperative Complications / Q000517:prevention & control* / Q000628:therapy; D011300:Preoperative Care / Q000379:methods*; D012119:Respiration; D012121:Respiration, Artificial; D012131:Respiratory Insufficiency / Q000517:prevention & control* / Q000628:therapy; D012306:Risk