Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are extremely low , accentuating the cardiac silhouette and pulmonary vasculature , though even given technique there appears to be at least moderate cardiomegaly with central pulmonary vascular congestion as well as mild interstitial edema . There is likely a trace right - sided pleural effusion with adjacent bibasilar atelectasis . Concurrent infection can not be excluded given the correct clinical circumstance . There is no pneumothorax .
    OUTPUT:
    
Low lung volumes with moderate cardiomegaly , central pulmonary vascular congestion and mild interstitial edema . Concurrent infection can not be excluded given the correct clinical circumstance .