Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac silhouette size is normal . The aortic knob is calcified . The mediastinal and hilar contours are within normal limits . The previous pattern of pulmonary edema has resolved . Pulmonary vascularity is normal . Lungs are clear . No pleural effusion or pneumothorax is identified . Several clips are demonstrated within the left upper quadrant of the abdomen .
    OUTPUT:
    
No acute cardiopulmonary abnormality .