Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable AP semi-erect chest film ___ at 12 :42 is submitted .
    OUTPUT:
    
A nasogastric tube has been placed and courses below the diaphragm with the tip projecting over the stomach . A left - sided pacing device remains in place . The endotracheal tube continues to have its tip at the thoracic inlet approximately 6 cm above the carina . The heart remains enlarged which may reflect cardiomegaly , although pericardial effusion should also be considered . There is improved aeration in the right mid lung with patchy opacity now seen at the right base which may reflect atelectasis , although pneumonia or aspiration should also be considered . The pulmonary vasculature is prominent suggesting fluid replete state but no overt pulmonary edema is seen . No pneumothorax .