Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable frontal upright chest radiographs demonstrate stable enlargement of the heart and elevation of the right hemidiaphragm . Prominent bilateral interstitial markings , likely related to the patients history of sarcoidosis , is unchanged on the left ; however , there is increased hazy opacification of the right base on top of persistent blunting of the costophrenic angle which could represent a layering effusion , but an underlying consolidation can not be excluded . No left pleural effusion . No pneumothorax . Clips are noted in the right upper quadrant .
    OUTPUT:
    
In comparison to ___ , increased hazy opacification of the right base could represent a layering effusion , but an underlying consolidation can not be excluded .