Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: ET tube tip is 1 .2 cm from the carina . Enteric tube passes off the inferior field of view . There is some increased opacity in the left perihilar and retrocardiac region superiorly and left hemithorax volume loss raising the possibility of underlying atelectasis . Elsewhere , the lungs are clear . The cardiomediastinal silhouette is normal . No acute osseous abnormalities .
    OUTPUT:
    
ET tube tip 1 .2 cm on the current . Probable left lower lobe atelectasis .