Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . The aorta is mildly tortuous and atherosclerotic calcifications noted at the aortic knob . Pulmonary vasculature is normal . Lungs are clear . No pleural effusion or pneumothorax is present . Mild hypertrophic changes are seen in the thoracic spine . Osteophytic spurring is seen involving the left glenohumeral joint . No displaced fractures are evident .
    OUTPUT:
    
No acute cardiopulmonary abnormality .