title: Postoperative spontaneous breathing with CPAP to normalize late postoperative oxygenation.
mesh_terms: D001794:Blood Pressure; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010100:Oxygen / Q000097:blood*; D010313:Partial Pressure; D010996:Pleural Effusion / Q000209:etiology; D011175:Positive-Pressure Respiration; D011182:Postoperative Care; D011183:Postoperative Complications; D001261:Pulmonary Atelectasis / Q000209:etiology; D011652:Pulmonary Circulation; D011860:Radiography, Abdominal
chemical_list: D010100:Oxygen