Extreme obesity.
D000328:Adult; D000758:Anesthesia / Q000009:adverse effects*; D002763:Cholecystectomy; D002764:Cholecystitis / Q000601:surgery; D002769:Cholelithiasis / Q000601:surgery; D005260:Female; D006801:Humans; D009765:Obesity / Q000150:complications*; D011183:Postoperative Complications / Q000517:prevention & control*; D012131:Respiratory Insufficiency / Q000517:prevention & control*