Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is significant patient rotation . Moderate left effusion and small right effusion . Incidental note of calcified pleural plaques . Slight increase in retrocardiac opacity is likely atelectasis . No pulmonary edema . Moderate cardiomegaly . No pneumothorax .
    OUTPUT:
    
Bilateral pleural effusions , retrocardiac atelectasis .