title: Platypnea and interatrial right-to-left shunting after lobectomy.
mesh_terms: D004417:Dyspnea / Q000209:etiology*; D004452:Echocardiography; D006344:Heart Septal Defects, Atrial / Q000150:complications* / Q000175:diagnosis / Q000601:surgery; D006801:Humans; D008297:Male; D008875:Middle Aged; D011013:Pneumonectomy; D011183:Postoperative Complications; D011187:Posture