Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are moderately well inflated . Retrocardiac opacity likely represents atelectasis . Mild vascular congestion is unchanged . Interval increase in small right pleural effusion . No pneumothorax . There is persistent severe cardiomegaly . Mediastinal contour and hila are unchanged . .
    OUTPUT:
    
1 . There is mild vascular congestion . . 2 . Interval increase in small right pleural effusion .