Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral radiographs of the chest . Compared to the prior radiograph , there is interval increase in the lung volumes . No focal consolidation is identified . No pleural effusion or pneumothorax is seen . The cardiac contour is partially obscured by a large posterior density which is a hiatal hernia , with an air - fluid level . The trachea is partially rightwardly deviated , which is unchanged from the prior radiograph , and may represent an anatomic variant . Right - sided healed rib fractures are noted . Mild degenerative changes and kyphosis of the thoracic spine is noted .
    OUTPUT:
    
1 . Large hiatal hernia . 2 . Old healed right rib fractures . 3 . No acute consolidation , pleural effusion , or pneumothorax .