Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a moderate left and a small right pleural effusion . There is also bilateral compensatory atelectasis at the bases . There is no focal consolidation suggestive of pneumonia . There is no evidence of pneumothorax . The hilar and mediastinal structures are normal . The left - sided heart border is obscured by the left pleural effusion .
    OUTPUT:
    
Moderate left and small right pleural effusion , with compensatory atelectasis at the bases . No focal consolidation suggestive of pneumonia .