Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac , mediastinal and hilar contours are normal . Pulmonary vascularity is normal . Lungs are clear . No pleural effusion or pneumothorax is seen . There are no acute osseous abnormalities . Ring - like metallic structure within the left upper quadrant of the abdomen is unchanged , compatible with LINX implant .
    OUTPUT:
    
No acute cardiopulmonary abnormality .