Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are decreased from prior exam . There are increased interstitial markings consistent with increased mild pulmonary edema . There is increased opacity in the left lung base , which may reflect atelectasis , pneumonia , or aspiration and possibly an element of pleural effusion . There is no pneumothorax . A right - sided central line is again seen terminating in the right atrium . The cardiomediastinal silhouette is severely enlarged , similar to prior exam .
    OUTPUT:
    
1 . Increased mild pulmonary edema . 2 . Increased left lung base consolidation , which may reflect atelectasis , pneumonia , or aspiration , with possible left pleural effusion .