Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral radiographs of the chest were acquired . Elevation of the right hemidiaphragm is not significantly changed compared to the prior study from ___ . There is minimal atelectasis / scarring in the right mid to upper lung . The lungs are otherwise clear . The heart is normal in size . The mediastinal contours are normal . There are no pleural effusions . No pneumothorax is seen .
    OUTPUT:
    
1 . No acute cardiac or pulmonary process . 2 . Unchanged elevation of the right hemidiaphragm .