Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . The cardiac silhouette is moderately enlarged , which may be due to underlying cardiomyopathy and / or pericardial effusion . There is bibasilar atelectasis . Minimal blunting of the left costophrenic angle may be due to small pleural effusion . There is minimal pulmonary vascular congestion without overt pulmonary edema . Mediastinal contours are stable . There is no pneumothorax .
    OUTPUT:
    
Moderate enlargement of the cardiac silhouette which may be due to cardiomyopathy and / or pericardial effusion . Mild pulmonary vascular congestion without overt pulmonary edema . Bibasilar atelectasis .