Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A right pleural effusion has decreased in size , now very small . Cardiac size remains enlarged . Lung volumes are lower when compared to prior studies contributing to the crowded vasculature . No focal opacities concerning for infection and no pneumothorax .
    OUTPUT:
    
No evidence of pneumonia . Decreasing right pleural effusion , now small in size .