Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Again seen is right upper lobe atelectasis with parenchymal calcifications . Delineation of a perihilar mass on the right is better seen on prior CT scan . There secondary right - sided volume loss . Suspected superimposed right pleural effusion is also noted . Right mainstem bronchus stent is visualized . Left apical calcified granulomas are noted . The left lung is otherwise clear . The cardiomediastinal silhouette is stable . Atherosclerotic calcifications are seen in the aorta . Chronic right posterior and lateral rib fractures are noted .
    OUTPUT:
    
No significant interval change of right upper lobe collapse and right pleural effusion . Known right hilar mass better delineated on prior CT .