Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A 5 mm pulmonary nodule is visualized within the right upper lung , which was previously visualized on the prior CTs . The lungs are otherwise well inflated and clear . A moderate sized hiatal hernia with an air - fluid level is visualized . Heart size is normal . The mediastinal and hilar contours are normal . The pulmonary vasculature is normal . No pleural effusion or pneumothorax is seen . There are no acute osseous abnormalities .
    OUTPUT:
    
1 . 5 mm pulmonary nodule within the right upper lung , previously visualized on the CT dated ___ . 2 . Moderate - sized hiatal hernia .