Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: As compared to ___ , left hilar loculated fluid has slightly decreased . There is increasing opacification in left lower lobe . Small left - sided effusion persists . Minimal subsegmental atelectasis in the right lung . Mild to moderate cardiomegaly . No visible pneumothorax .
    OUTPUT:
    
Left hilar fluid has decreased . Slight increased opacification in the left lower lobe .