Disclosure Ichiro Uyama received lecture fees from Intuitive Surgical Inc. and Medtronic Inc., outside the submitted work. Ichiro Uyama was supported by Medicaroid Inc. in relation to the Collaborative Laboratory for Research and Development in Advanced Surgical Technology, Fujita Health University. Koichi Suda was supported by Sysmex Co. in relation to the Collaborative Laboratory for Research and Development in Advanced Surgical Intelligence, Fujita Health University, outside the submitted work.