Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were obtained . There is mild elevation of the left hemidiaphragm which likely reflects the presence of scarring as seen along the periphery of the left mid and lower lung . Aside from this , the lungs appear clear and there are no signs of pneumonia , CHF , pleural effusion , or pneumothorax . Overall heart size appears within normal limits . The mediastinal contour is normal . No free air below the right hemidiaphragm . Bony structures appear intact . There are clips in the right upper quadrant noted from prior cholecystectomy .
    OUTPUT:
    
Areas of scarring in the left mid and lower lung periphery with slight elevation of left hemidiaphragm .