Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is increasing pulmonary vascular congestion and new mild interstitial edema . There is persistent retrocardiac opacification similar to prior radiograph and CT , findings consistent with chronic atelectatic scarring . No new confluent opacity is identified . There is no large pleural effusion . No pneumothorax is evident . Mediastinal and hilar contours are within normal limits . The heart size remains mildly enlarged .
    OUTPUT:
    
1 . Increasing pulmonary vascular congestion with mild interstitial edema . 2 . Unchanged retrocardiac atelectatic scarring . 3 . Stable mild cardiomegaly .