Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Linear opacity in the left midlung is compatible with scarring versus atelectasis . Lungs are otherwise clear . The cardiomediastinal silhouette is within normal limits . Right - sided central venous catheter is unchanged in position . Enteric tube tip is best seen on the lateral view at the region of the GE junction or slightly below . Multiple air - fluid levels seen in the upper abdomen . No free intraperitoneal air .
    OUTPUT:
    
Enteric tube tip just distal to the GE junction should be advanced for optimal positioning .