Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is minimal bilateral lower lobe atelectasis , right greater than left . The lungs are otherwise clear . The heart size is normal . The descending thoracic aorta is mildly tortuous . The mediastinal contours are otherwise normal . There are no pleural effusions . No pneumothorax is seen . There is mild eventration of the left hemidiaphragm .
    OUTPUT:
    
1 . Minimal bilateral lower lung atelectasis , right greater than left . 2 . Mild eventration of the left hemidiaphragm .