Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . Aortic knob is calcified . Mediastinal and hilar contours are normal . Lungs are clear . Pulmonary vasculature is normal . No pleural effusion or pneumothorax is present . Moderate anterior compression deformity of a mid thoracic vertebral body is of indeterminate age .
    OUTPUT:
    
No acute cardiopulmonary abnormality .