title: Massive weight loss will improve arterial oxygenation in selected patients.
mesh_terms: D000328:Adult; D001835:Body Weight; D006801:Humans; D007040:Hypoventilation / Q000503:physiopathology*; D008875:Middle Aged; D009765:Obesity / Q000097:blood*; D010100:Oxygen / Q000097:blood*
chemical_list: D010100:Oxygen