Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The ETT terminates 3 cm above the carina . There is an NG tube , which is below the diaphragm and curls in the left upper quadrant . There are metallic clips in the supraclavicular region bilaterally . The previously identified partially calcified right lower lobe mass appears unchanged . The lungs are otherwise clear . Heart size is normal . The mediastinal and hilar contours are normal . The pulmonary vasculature is normal . No pleural effusion or pneumothorax is seen . There are no acute osseous abnormalities .
    OUTPUT:
    
1 . Appropriate positioning of the ETT and NG tube . 2 . Unchanged partially calcified right lower lobe mass .