Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest are obtained . There is an area of opacification that partially obscures the left heart border which is not well seen on the previous portable radiograph and is not confirmed on the lateral view of this study . This finding may represent epicardial fat pad . There is no pleural effusion , pulmonary edema , or pneumothorax . The previously seen Port - A - Cath and sternotomy wires are unchanged in position .
    OUTPUT:
    
Opacification partially obscuring the left heart border may represent epicardial fat pad . Otherwise , the lungs are clear .