Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is diffuse patchy opacification at the bilateral lung fields with predominance in the bases , compatible with moderate pulmonary interstitial edema . The pulmonary vasculature is congested . No large pleural effusion or pneumothorax is detected . The cardiac silhouette is enlarged but stable . The mediastinal contours are prominent with unfolding of the thoracic aorta .
    OUTPUT:
    
Stable cardiomegaly and moderate congestive heart failure .