Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Sternotomy . Heart has mildly enlarged since prior . Borderline pulmonary vascularity . Mild interstitial prominence , may represent edema or inflammatory . Opacity right lung base medially , atelectasis versus infiltrate . No pneumothorax .
    OUTPUT:
    
Mild interstitial prominence , may represent edema or inflammatory . Mild right lung base atelectasis versus infiltrate .