Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear . There is no pleural effusion or pneumothorax . Allowing for technique , the heart size is top normal . The mediastinum is unremarkable with calcifications seen in the aortic arch and thoracic aorta . Moderate to severe degenerative changes of the glenohumeral joints noted .
    OUTPUT:
    
No acute cardiopulmonary process .