Morbid obesity.
D000328:Adult; D002769:Cholelithiasis / Q000209:etiology; D005260:Female; D006801:Humans; D007082:Ileum / Q000601:surgery*; D007583:Jejunum / Q000601:surgery*; D007669:Kidney Calculi / Q000209:etiology; D008107:Liver Diseases / Q000209:etiology; D008722:Methods; D009765:Obesity / Q000378:metabolism / Q000503:physiopathology / Q000628:therapy*; D011183:Postoperative Complications; D013530:Surgical Wound Infection / Q000517:prevention & control