translation.en: These minor changes in blockages caused a 300 percent improvement in blood flow, and using cardiac positron emission tomography, or "PET," scans, blue and black is no blood flow, orange and white is maximal.
translation.zh: 这些血管阻塞上的微小改变， 使血流有了百分之三百的改善， 使用心脏正电子放射层扫描术，即PET扫描， 蓝色和黑色显示无血流，橘黄和白色显示最大血流。