Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral radiographs of the chest were acquired . Lung volumes are low . The lungs are clear . The aorta remains tortuous . There are no definite pleural effusions . No pneumothorax is seen . The heart size is normal . Degenerative changes of the thoracolumbar spine are redemonstrated including a compression deformity of a lower thoracic vertebral body , not significantly changed .
    OUTPUT:
    
No acute cardiac or pulmonary process .