Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The ET tube , NG tube , and right subclavian central venous catheter are unchanged in position . The patient has had prior right lung wedge resection with stable right - sided volume loss . Right apical pleural thickening and / or fluid is unchanged . Right perihilar airspace opacities are unchanged , but a left suprahilar airspace opacity is slightly more prominent .
    OUTPUT:
    
Stable right perihilar and increased left suprahilar airspace opacities may be due to infection or aspiration .