Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Low lung volumes with persistent prominence of interstitial markings likely interstitial edema . No pleural effusions . Severe cardiomegaly is unchanged . Diffuse demineralization noted . EKG leads overlie the chest wall .
    OUTPUT:
    
Persistent interstitial edema with severe cardiomegaly without pleural effusions .