Bariatric Surgery / Laparoscopic Surgery / Humans / Female / Obesity Surgery / Clinical Sciences / Adult / Public health systems and services research / Conservation Management / Morbid Obesity / Pneumothorax / Gastric Bypass / Pleural Effusion / X ray Computed Tomography / Laparoscopy / Clinical Sciences / Adult / Public health systems and services research / Conservation Management / Morbid Obesity / Pneumothorax / Gastric Bypass / Pleural Effusion / X ray Computed Tomography / Laparoscopy