Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac , mediastinal and hilar contours appear unchanged . There is persistent patchy opacity projecting along the right suprahilar region with volume loss , probably compatible with treatment effect , aside from slightly diminished peripheral streaky opacification , but no other definite change . Elsewhere , the lungs appear clear . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
Persistent right suprahilar opacification with volume loss , suggesting treatment - related change , although this study does not provide a detailed assessment of oncological status . No definite acute disease .