Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: An enteric tube has been removed in the interim . A left pleural effusion has decreased from prior , now moderate . Obscuration of the right heart border is new on this exam . There is no pneumothorax or right pleural effusion . There is central vascular congestion without overt evidence for pulmonary edema . The heart is moderately enlarged but unchanged . The mediastinal contours are grossly unremarkable .
    OUTPUT:
    
1 . New obscuration of the right heart border may reflect atelectasis , although , aspiration or pneumonia can not be excluded . 2 . Decrease in size of a moderate left pleural effusion with overlying atelectasis . These findings were discussed with Dr . ___ by Dr . ___ at 3 : 52 a .m . on ___ by telephone at time of discovery .