Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The inspiratory lung volumes are appropriate . The lungs are clear without focal consolidation , pleural effusion or pneumothorax . The pulmonary vasculature is not engorged . The cardiac silhouette is normal in size . The mediastinal and hilar contours are within normal limits . Mild tortuosity of the thoracic aorta is redemonstrated with minimal calcification of the aortic knob . There is minimal dextroconvex scoliosis of the thoracolumbar spine and multilevel mild degenerative changes .
    OUTPUT:
    
No acute cardiopulmonary process .