Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A moderate - sized hiatal hernia , with air - fluid level is again seen . The lungs are relatively well expanded and clear . The cardiomediastinal silhouette is stable . There is no pneumothorax or pleural effusion . Known right eighth and ninth rib fractures are poorly assessed on this AP view due to soft tissue attenuation , however no new displaced rib fractures are identified within these limitations .
    OUTPUT:
    
No pneumothorax or other acute cardiopulmonary pathology . Moderate hiatal hernia . No new displaced rib fracture identified . Known right eighth and ninth rib fractures are poorly assessed .