Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Marked volume loss in the left hemi thorax is similar to the recent radiograph , and is a long - standing finding since prior chest CT of ___ . A masslike opacity persists in the left upper lobe , and has been more fully evaluated by previous CT chest which demonstrated that it was partially calcified . Pleural and parenchymal scarring at the left base are probably similar to prior studies as well as localize scarring in the right lower lobe .
    OUTPUT:
    
Left upper lobe masslike opacity is not well characterized radiographically . Consider chest CT to confirm long - term stability if warranted clinically .