Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . Since the prior study , there has been interval development of a small - to - moderate right pleural effusion with overlying atelectasis . Underlying consolidation is not excluded . The left lung is clear . The cardiac silhouette remains moderately enlarged . No overt pulmonary edema is seen . Mediastinal and hilar contours are stable .
    OUTPUT:
    
Interval development of small - to - moderate right pleural effusion with overlying atelectasis , underlying consolidation not excluded . Persistent enlargement of the cardiac silhouette .