Six thoracic vertebrae were crumbling from osteoporosis, so Dr. Chang replaced them with artificial titanium ones. The surgical scar ran from the back of her neck all the way down to her buttocks, more than 40 centimeters.
他將趙奶奶疏鬆坍塌的 6 節胸椎，換上人工鈦金屬材質，傷口從頸後到股溝，長達三十幾公分。