Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Large hiatal hernia is mildly increased in size from ___ . The lung volumes are normal . Normal size of the cardiac silhouette . Normal hilar and mediastinal structures . No pneumonia , no pulmonary edema . No pleural effusions .
    OUTPUT:
    
Since ___ , mildly enlarging large hiatal hernia . Otherwise normal chest radiograph .