Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared to prior , there is increased mild bilateral lower lobe opacities , likely due to atelectasis . Small bilateral pleural effusion is likely . The cardiomediastinal silhouette is grossly unchanged . There is no significant pulmonary edema . No pneumothorax is seen .
    OUTPUT:
    
Increased mild bilateral lower lobe atelectasis with small pleural effusion .