Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been placement of an OG tube which is coiled within the stomach . ET tube is in appropriate positioning . Since the prior radiograph , there has been no significant change . Again seen is complete opacification of the left hemithorax with volume loss in the left upper and left lower lobes . There is leftward mediastinal shift , consistent with volume loss . There is no pneumothorax . Right IJ central line is in appropriate position within the right atrium .
    OUTPUT:
    
Appropriate placement of OG tube . No significant interval change .