Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs redemonstrate a large hiatal hernia . There is no pulmonary parenchymal consolidation , pleural effusion , or pneumothorax . The cardiac silhouette is not well seen due to the presence of a large hiatal hernia . The mediastinal contours are normal .
    OUTPUT:
    
1 . No acute chest pathology . 2 . Large hiatal hernia again seen .