Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is bilateral diffuse interstitial edema , more pronounced in the lung bases , with associated Kerley B lines , vascular cephalization , bilateral hilar prominence and bilateral small pleural effusions . There is moderate - to - severe cardiomegaly , with a predominance of right chamber enlargement . No pneumothorax .
    OUTPUT:
    
Findings compatible with acute on chronic congestive heart failure .