Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette size is mild to moderately enlarged . The mediastinal and hilar contours are normal . Pulmonary vasculature is normal . Lungs are clear . No pleural effusion or pneumothorax is identified . Mild loss of height of a mid thoracic vertebral body is of indeterminate age .
    OUTPUT:
    
No acute cardiopulmonary abnormality . Mild height loss of a mid thoracic vertebral body is of indeterminate age .