Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Retrocardiac opacity is compatible with known large hiatal hernia . There is also a focal eventration of the right hemidiaphragm anteriorly . No focal consolidation , effusion or pneumothorax is seen . The cardiomediastinal silhouette appears stable . Bony structures are intact .
    OUTPUT:
    
Large hiatal hernia , otherwise unremarkable .