Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac , mediastinal or hilar contours are unchanged and within normal limits . Pulmonary vascularity is normal . Lungs are clear . No pleural effusion , focal consolidation or pneumothorax is visualized . No acute osseous abnormality is detected .
    OUTPUT:
    
No acute cardiopulmonary process .