Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette is unremarkable . There has been interval convex bulging of the right mediastinal contour suggestive of increased mediastinal mass as well as leftward deviation of the aortic arch suggestive of possible increased lymphadenopathy . Again identified is irregular right hilar contour from known mass with associated collapse of the right middle lobe appearing slightly improved compared to prior examination . There is no pleural effusion or pneumothorax . The left lung is essentially clear .
    OUTPUT:
    
1 . Roughly similar appearance of known right hilar mass with resultant right middle lobe collapse . 2 . Increased prominence of the right mediastinal contour and deviation of the aortic arch suggestive of increased mediastinal mass / lymphadenopathy .