Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Moderate enlargement of cardiac silhouette is unchanged . Mediastinal and hilar contours are grossly stable with diffuse calcification of the thoracic aorta noted . The pulmonary vasculature is normal . Apart from minimal linear atelectasis in the lung bases , the lungs are clear with no focal consolidation , pleural effusion or pneumothorax identified . There are no acute osseous abnormalities . Mild loss of height of a mid thoracic vertebral body appears unchanged .
    OUTPUT:
    
No acute cardiopulmonary process .