Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well inflated and clear . Elevation of the medial segment of the right hemidiaphragm , most likely an eventration , is longstanding . No diaphragmatic abnormalities on the left are noted . The cardiomediastinal silhouette is normal except for a tortuous but normal caliber aorta , unchanged for more than ___ years . No pleural abnormalities are noted . The distal right clavicle has been resected . There are extensive degenerative changes of the acromioclavicular and glenohumeral joint on the left . No pneumothorax or pneumoperitoneum is present .
    OUTPUT:
    
Extensive degenerative disease , left AC and glenohumeral joints . Otherwise , no cardiothoracic , pleural , or obvious chest wall abnormality .