Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes remain low . No focal consolidation , edema , effusion , or pneumothorax . The heart is probably normal in size given the AP projection . The thoracic aorta is slightly tortuous . Aortic knob calcifications are mild . Dextroconvex scoliosis of the thoracic spine is mild . Glenohumeral joint degenerative changes are similar to the prior exam .
    OUTPUT:
    
No acute cardiopulmonary process .