Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable semi-erect chest film ___ at 13 :01 is submitted .
    OUTPUT:
    
Endotracheal tube , right internal jugular introducer , left chest tube , mediastinal drains and nasogastric tube are unchanged in position . Interval placement of a small bore right jugular catheter which has its tip in the proximal right atrium . Status post median sternotomy for recent aortic repair . Overall cardiac and mediastinal contours are unchanged . There is pneumopericardium . A small left effusion is seen with some associated patchy opacity suggestive of compressive atelectasis . No pneumothorax is seen . No evidence of pulmonary edema .