Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A single portable supine radiograph of the chest was acquired . There is pulmonary vascular congestion with mild interstitial pulmonary edema . Consolidative left retrocardiac opacification is some combination of a new small left pleural effusion and atelectasis and / or pneumonia . There is no right pleural effusion . The heart size is mildly enlarged . The mediastinal contours are normal . Aortic calcifications are noted . There is no pneumothorax .
    OUTPUT:
    
1 . New small left pleural effusion with adjacent retrocardiac opacification , representing some combination of atelectasis and / or pneumonia . 2 . Mild interstitial pulmonary edema .