Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is air under the right hemidiaphragm which could the due to recent instrumentation ( PEG tube placement ) . The left upper lung opacity is more prominent as compared to prior . The right lower lung opacity is less prominent . There has been interval removal of the NG tube and left subclavian line .
    OUTPUT:
    
Air under the right hemidiaphragm likely related to recent instrumentation . Left upper lung opacity is more prominent while the right lower lung opacity abutting the hemidiaphragm is slightly improved .