Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is mild cardiomegaly . Diffusely increased opacities in the lungs bilaterally , with interstitial thickening , is likely secondary to mild pulmonary edema . The hilar and mediastinal contours are unremarkable .
    OUTPUT:
    
Cardiomegaly with mild pulmonary edema , likely sequelae of heart failure .