Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiograph demonstrates new small bilateral pleural effusions and retrocardiac opacity . No pneumothorax . Mild cardiomegaly is stable . Mediastinal contour and hila are unremarkable . Limited assessment of the upper abdomen is within normal limits .
    OUTPUT:
    
1 . New small bilateral pleural effusions . A somewhat linear retrocardiac opacity may represent atelectasis although infection would also be possible . 2 . Stable mild cardiomegaly .