Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . The aorta is diffusely calcified and tortuous , as seen previously . Mediastinal and hilar contours are unchanged . Coarse interstitial opacities are noted bilaterally , most pronounced along the periphery and lung bases , not substantially changed from prior in compatible with a chronic interstitial lung disease . Pulmonary vasculature does not appear engorged . No pleural effusion , focal consolidation or pneumothorax is identified . Compression deformities involving a lower thoracic vertebral body in a vertebral body at the thoracolumbar junction appear chronic .
    OUTPUT:
    
Chronic interstitial lung disease , not substantially changed from prior . No new focal consolidation or pulmonary edema .