Thoracic and cardiovascular surgery in Japan during 2014

of the surveyWe sent out survey questionnaire forms to the departments of each category in all 1039 institutions (578 cardiovascular, 762 general thoracic, and 626 esophageal) nationwide in early April 2014. The response rates in each category by the end of December 2015 were 97.1, 96.1, and 96.0 %, respectively. This high response rate has been keep throughout recent survey, and more than 96 % response rate in all fields in 2014 survey has to be congratulated.