Authors’ contributions
KH operated on and followed the patients, selected the associated data and edited the manuscript accordingly. SS also operated on and took care of the patients. YO analyzed the specimens and supervised the pathology. KM performed the surgery on the patient as a superviser. KI and KK participated in the treatment of the patient as gastroenterologists. TH, NS, TN and HM supervised and revised the article. All the authors have read and approved the final manuscript.