Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Again identified are bilateral mid and lower zone patchy opacity , unchanged compared to the prior radiograph . There is a new small right pleural effusion . No pneumothorax present . Unchanged cardiomegaly . Bony thorax is unchanged .
    OUTPUT:
    
New small right pleural effusion with unchanged bilateral mid and lower lobe opacities compatible with atelectasis and / or aspiration pneumonitis in the right clinical setting . Stable cardiomegaly .