Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is no marked change in the pulmonary vascular congestion with minimal interstitial edema . Persistent mild cardiomegaly as well as chronic elevation of the right hemidiaphragm are again noted . There is no pneumothorax or pleural effusion .
    OUTPUT:
    
1 . No evidence of pneumonia . 2 . Persistent pulmonary vascular congestion and mild interstitial edema .