Retrospective Study
Copyright ©The Author(s) 2021.
World J Gastrointest Surg. Mar 27, 2021; 13(3): 267-278
Published online Mar 27, 2021. doi: 10.4240/wjgs.v13.i3.267
Table 1 General data

Case counts
Gender: Male/Female6215
Diabetes mellitus: Yes/No1166
Hypertension: Yes/No1958
Preoperative radiation: Yes/No5522