Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . The cardiac silhouette remains enlarged , similar in configuration , but is somewhat of a globular configuration . Underlying pericardial effusion is not excluded . There is bibasilar atelectasis . Slight blunting of the bilateral costophrenic angles suggests trace pleural effusions . The mediastinal contours are stable . No overt pulmonary edema is seen .
    OUTPUT:
    
Bibasilar atelectasis . Trace bilateral pleural effusions . Persistent enlargement of the cardiac silhouette , underlying pericardial effusion not excluded . No chest tube is seen on the images .