<unk><unk>  may be classified by 5 different classification methods including: Open and closed, incomplete and complete, extrinsic, intrinsic and intraluminal, true and pseudo-obstruction, and finally, small<unk>  and large<unk> . In this chapter, the extrinsic, intrinsic and intraluminal classification method will be used.
Bowel obstruction classification
Mesenteric ischemia classification
Gastrointestinal perforation classification
Short bowel syndrome classification
Acute mesenteric ischemia classification
Diverticulitis classification
Lower gastrointestinal bleeding classification
Gallstone disease classification