in relation to this presentation is as follows;; International Association of Surgeons, Gastroenterologists, and Oncologists Continuing Medical Education: Advanced Post-Graduate Course in Tokyo 2018 Disclosure of COI 　 First Author’s Name：　---- ---- Disclosure of COI in relation to this presentation is as follows;; 1. Employment/Leadership position/ Advisory role for： None 2. Stock ownership in ： None 3. Patent royalties/licensing fees from  ： None 4. Honoraria from　 ： None 5. Fees for promotional materials from ： None 6. Research funding from   ：   ---- Health Co., Ltd. 7. Scholarship or donation from ： ---- Health Co., Ltd. 8. Affiliated with an endowed chair from： ---- Pharmaceutical Co., Ltd. 9. Other remuneration(gifts, etc.) from ： None