Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The endotracheal tube ends approximately 3 cm from the carina . A Swan - Ganz catheter overlies the expected area of the main pulmonary artery . The lung volumes have improved and there has been a decrease in the pulmonary edema . Hazy opacification at the left base is likely atelectasis , although developing pneumonia can not be excluded . There is no pleural effusion or pneumothorax . Moderate enlargement of the cardiomediastinal silhouette is unchanged . A gastric tube and a coiled Dobbhoff both end in the region of the pylorus .
    OUTPUT:
    
1 . Decrease in pulmonary edema . 2 . Mild left basilar atelectasis , or less likely a developing pneumonia .