Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is top normal . A moderate - sized hiatal hernia is noted . The mediastinal and hilar contours otherwise are unremarkable . The pulmonary vascularity is normal , and the lungs are clear . No pleural effusion or pneumothorax is present . There are no acute osseous abnormalities .
    OUTPUT:
    
No acute cardiopulmonary abnormality . Moderate size hiatal hernia .