Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared to the prior radiograph , there is slight enlargement of cardiac silhouette with pulmonary vascular congestion and interstitial opacities consistent with pulmonary edema . This is overall similar in appearance to the radiograph from ___ . There is a larger patchy opacity in the right lower lobe which may represent a pneumonia . No pneumothorax is seen . No pleural effusion is seen .
    OUTPUT:
    
Findings consistent with interstitial edema . More confluent right lower lobe opacity , for which follow up chest radiograph after diuresis may be helpful to exclude right lower lobe pneumonia .