Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single frontal view of the chest . The heart size is moderately enlarged . There is a small to moderate sized right pleural effusion and a trace left pleural effusion . Right base opacity could represent compressive atelectasis versus consolidation . No pneumothorax .
    OUTPUT:
    
Small - to - moderate right and trace left pleural effusions with right base opacity that could represent atelectasis or infection .