3. After IVUS check up, we recognize the culprit lesion in LAD-D. 4. But FFR is still 0.78 after treatment of LAD-D by 3.0 x 30mm BMS. 5. So the culprit lesion should be located in the LMT to LAD and there was 50% stenosis and the CSA 5-6 mm2 by IVUS. We performed PCI ...