Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear . The heart size is top normal . The mediastinal contours are normal . There are no pleural effusions . No pneumothorax is seen . Degenerative changes of the right humeral head are noted . Mild wedging of mid thoracic vertebral bodies is unchanged .
    OUTPUT:
    
No acute cardiac or pulmonary process .