Author contributions
Shohei Morita is the main author of this case report. Taichi Sakaguchi and Arudo Hiraoka were involved in a significant modification of the article. Taichi Sakaguchi was the main surgeon of this surgery and Shuichiro Yamauchi performed the intraoperative CAG as a physician. Akihiro Hayashida performed preoperative medical evaluations and determined that surgery was indicated.