日本消化管学会
, JAPANESE SOCIETY OF GASTROENTEROLOGY
, JAPAN SOCIETY OF CLINICAL ONCOLOGY
, THE JAPAN BRONCHO-ESOPHAGOLOGICAL SOCIETY
, 日本内視鏡外科学会
, JAPAN GASTROENTEROLOGICAL ENDOSCOPY SOCIETY
, 日本食道学会
, THE JAPANESE SOCIETY OF GASTROENTEROLOGICAL SURGERY
, JAPAN SURGICAL SOCIETY