Fig. 1
![Fig. 1](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs12893-020-00985-4/MediaObjects/12893_2020_985_Fig1_HTML.jpg)
a CT scan revealed small intestine gas–liquid plane. b Small bowel obstruction. c White arrow for free gas in the abdominal cavity. d EIA external iliac artery. EIV external iliac vein. IIA internal iliac artery. U ureter. SVA superior vesical artery, black arrow for hernia ring defect. e White arrow shows the outflow of digestive juice