Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Moderate cardiomegaly with a postoperative mediastinal contour unchanged from the prior exam . Hilar contours are unremarkable . Small bilateral pleural effusions with adjacent bibasilar atelectasis are minimally changed from prior examination with slight increase in right effusion tracking superiorly along the pleural surface as on prior CT . Lungs are otherwise clear without focal consolidation . There is no pneumothorax .
    OUTPUT:
    
Small bibasilar pleural effusions with associated atelectasis . Slight increased in amount of right effusion tracking along the pleural surface . No evidence of edema or focal consolidation to suggest pneumonia .