Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The previously seen right hilar asymmetry corresponding to hilar adenopathy on prior chest CT appear slightly increased in size compared with prior studies . A nodule in the right lower lung is more prominent compared with the prior study , and may represent summation artifact . There is no focal consolidation , pleural effusion , pneumothorax , or pulmonary edema .
    OUTPUT:
    
1 . Interval enlargement of the large right hilar mass . 2 . Apparent right lower lung nodule may represent summation artifact . 3 . No acute cardiopulmonary process .