Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Endotracheal tube tip is 4 .2 cm from the carina . Enteric tube seen taking an unusual course through the lower mediastinum and passes below the inferior field of view . This is likely due to a large hiatal hernia , which would explain the right basilar and retrocardiac rounded opacity . Low lung volumes are seen with secondary crowding of the bronchovascular markings . Where seen , the lungs are grossly clear . Surgical clips project over the left axilla and chest wall .
    OUTPUT:
    
No acute osseous abnormality is identified .