Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are reduced bilaterally . Chronic diffuse interstitial abnormality is re - demonstrated with increased interstitial markings noted most pronounced at the periphery and lung bases , not substantially changed in the interval . Heart size is mildly enlarged . Mediastinal and hilar contours are similar . No overt pulmonary edema , new focal consolidation , pleural effusion or pneumothorax is identified . There are multilevel mild to moderate degenerative changes with mild loss of height of a mid thoracic vertebral body anteriorly .
    OUTPUT:
    
No substantial interval change from the prior exam with continued chronic interstitial lung disease . No new focal consolidation demonstrated .