Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac silhouette size remains borderline enlarged . The mediastinal contours are unchanged with marked tortuosity of the thoracic aorta again noted . There are diffuse atherosclerotic calcifications of the thoracic aorta . Diffuse mild to moderate interstitial abnormalities are re - demonstrated in both lungs , similar compared to the previous exam from ___ . No definite pleural effusion or pneumothorax is seen though assessment of the apices is obscured due to the patient 's chin and neck soft tissues projecting over this region . Compression deformity of a mid thoracic vertebral body is age indeterminate .
    OUTPUT:
    
Patchy opacity in the right lung base may reflect atelectasis but it is nonspecific . Otherwise , little interval change compared to the previous exam with diffuse mild to moderate interstitial abnormality which may be chronic .