Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The tip of the left PICC line projects over the junction of the left jugular and brachiocephalic veins . New bilateral hilar enlargement with prominent reticular markings throughout both lung fields suggestive of pulmonary interstitial edema . Retrocardiac opacity , likely reflecting atelectasis . No pleural effusion or pneumothorax identified . The size of the cardiac silhouette is enlarged . Small amount of pneumoperitoneum identified under the right hemidiaphragm as seen on recent CT .
    OUTPUT:
    
New pulmonary interstitial edema . Known small amount of free air under the right hemidiaphragm as seen on the recent CT .