Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . The mediastinal and hilar contours are normal . The pulmonary vasculature is normal . Scarring within the lung apices is unchanged . The remainder of the lungs are clear . No pleural effusion or pneumothorax is seen . Mild anterior compression deformity of an upper lumbar vertebral body appears new compared to the prior exam , but is of unknown chronicity . Clips in the right upper quadrant indicate prior cholecystectomy .
    OUTPUT:
    
No acute cardiopulmonary abnormality . Mild compression deformity of an upper lumbar vertebral body is new compared to the prior exam , but is of unknown chronicity .