Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval resolution of the extensive subcutaneous emphysema as well as resolution of engorged mediastinal vessels . The gastric bubble is now clearly seen beneath the left diaphragm . Heart size is normal . There is no pleural effusion or pneumothorax . There has been improvement of the opacification at the right base ; however , there is still some increased interstitial markings likely consistent with fibrosis .
    OUTPUT:
    
1 . Repair of large hiatal hernia . 2 . Residual increased interstitial markings at right lung base likely representing fibrosis .