Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a large distended hiatal hernia filled with air . This projects over the cardiomediastinal silhouette . The lungs are otherwise clear . There is no focal consolidation , pleural effusion or pneumothorax . The aorta is tortuous . Median sternotomy wires are present .
    OUTPUT:
    
Large distended hiatal hernia , filled with air . No acute cardiopulmonary findings .