There is a vertical mark 10 cm long under the navel of a woman, which is basically left by gynecological surgery. So long, most of them are caesarean sections, and it may also be ectopic pregnancy surgery or gynecological tumor resection surgery. The appendix grows in the right lower abdomen. It is impossible for a surgeon to open an appendix in the middle of your stomach and then look for it on the right side of your stomach. That's simply too much trouble