Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The inspiratory lung volumes are low . The lungs are clear without focal consolidation , pleural effusion , or pneumothorax . The pulmonary vasculature is not engorged . The cardiac silhouette is normal in size . There is a tortuous thoracic aorta . The mediastinal and hilar contours are within normal limits . There is slight elevation of the left hemidiaphragm . Degenerative changes are noted in the thoracic spine . There is internal spinal fixation hardware in the cervical spine .
    OUTPUT:
    
No acute cardiopulmonary process .