Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Support lines and tubes are unchanged in appearance when compared to the prior study . There is persistent silhouetting of the left hemidiaphragm consistent with left lower lobe atelectasis , superimposed infection can not be excluded . No pneumothorax or pleural effusion seen . No consolidation seen . Even allowing for the projection , the heart appears mildly enlarged with mild pulmonary vascular congestion .
    OUTPUT:
    
No significant interval change when compared to the prior study .