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.