Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac , mediastinal and hilar contours are normal . Lungs are clear . No pleural effusion or pneumothorax is present . The pulmonary vasculature appears normal . There are no acute osseous abnormalities .
    OUTPUT:
    
No acute cardiopulmonary abnormality . Chest CTA is recommended for further assessment given the concern for pulmonary embolism .