Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mediastinal contours are within normal limits , with a calcified aortic arch . There is stable at least mild enlargement of the cardiac silhouette . The bilateral hila are within normal limits . Diffusely increased interstitial prominence which is centrally predominant is consistent with pulmonary vascular congestion and moderate to severe pulmonary edema . Retrocardiac opacity likely represents basilar atelectasis . There may be a trace / small left pleural effusion . There is no right pleural effusion . There is no pneumothorax .
    OUTPUT:
    
Mild cardiomegaly . Pulmonary vascular congestion and moderate to severe pulmonary edema . Basilar atelectasis . Trace / small left pleural effusion .