Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were obtained . Heart size is within normal limits . A coronary stent is partially imaged over the left heart border . There is no overt edema , though mild pulmonary interstitial edema is difficult to exclude . No focal consolidation , effusion , or pneumothorax . Mediastinal contour is normal . Bony structures are intact .
    OUTPUT:
    
Possible mild interstitial edema . Coronary stent visualized .