Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lung volumes are low . Mild fullness in the right hila may indicate early developing infection in the correct clinical setting . Opacity of the left base stable over multiple prior studies and most likely represents atelectasis . Moderate cardiomegaly is stable . No pneumothorax or pleural effusion .
    OUTPUT:
    
Mild fullness in the right hila may indicate early developing infection in the correct clinical setting .