Purely laparoscopic pylorus-preserving gastrectomy with extraperigastric lymphadenectomy for early gastric cancer: A case and technical report

Ichiro Uyama, Atsushi Sugioka, Junko Fujita, Yoshiyuki Komori, Hideo Matsui, Ryohei Soga, Atsushi Wakayama, Kiichiro Okamoto, Akihiro Ohyama, Akitake Hasumi