Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs demonstrate low lung volumes . There is no evidence of pneumonia or pleural effusion . Heart size and mediastinal contours are unchanged . Thoracic scoliosis to the right is unchanged . Remote right humeral head fracture is similar in appearance to ___ .
    OUTPUT:
    
1 . Low lung volumes . 2 . No evidence of pneumonia .