Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: While a prominent right cardiophrenic fat pad was seen on the prior study , there is increased opacity at the medial right base which may be due to an underlying consolidation in addition to the prominent fat pad . Prominent left cardiophrenic fat pad is also again seen . There is no pleural effusion or pneumothorax . The cardiac size is top normal . Mediastinal contours are unremarkable . There is again right greater than left biapical pleural thickening . Scarring at the right upper lobe . There is also evidence of a hiatal hernia , with small air - fluid level seen on the lateral view .
    OUTPUT:
    
1 . Increased right middle lobe opacity which may represent infection in addition to prominent cardiophrenic fat . 2 . Hiatal hernia .