Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Large left hiatal hernia is re - demonstrated with elevation of the left hemidiaphragm and mild adjacent atelectasis in the left lung base . Remainder of the lungs are clear . Cardiac , mediastinal and hilar contours are unchanged with the heart size appearing top normal . Pulmonary vasculature is normal . Clips are seen within the upper abdomen compatible prior cholecystectomy . No acute osseous abnormality is detected .
    OUTPUT:
    
No acute cardiopulmonary abnormality . Re - demonstration of large left hiatal hernia .