Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac silhouette size is top normal . The aorta is mildly unfolded . There is a moderate size hiatal hernia . Fullness of the right hilum corresponds to a known mass seen on recent CT . Right lower lobe mass seen on recent CT is not completely seen on the current exam . Lungs are otherwise clear . Pulmonary vascularity is normal . Left hilar contour is normal . No pleural effusions or pneumothorax is identified . No acute osseous abnormality seen .
    OUTPUT:
    
Fullness of the right hilum compatible with known mass seen on the prior CT from earlier today . Known right lower lobe lesion is not clearly delineated on the current exam . Moderate size hiatal hernia . No pleural effusion identified .