Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is persistent volume loss in the right lung with a spiculated mass in the right perihilar region . There are associated reticular opacities in the right lung base . Background changes of COPD again noted . No new airspace opacity identified . No pneumothorax . Right basal pleural thickening versus a small pleural effusion .
    OUTPUT:
    
No significant interval change when compared to the prior study .