Small bowel obstruction
Large bowel obstruction
Volvulus, Neoplastic Disease, Paralytic ileus, Pseudo-obstruction
Colitis
Infectious, Inflammatory, Ischemic
Volvulus, Neoplastic Disease, Paralytic ileus, Pseudo-obstruction
Infectious, Inflammatory, Ischemic
Toxic megacolon
Small bowel obstruction
Mesenteric ischemia
Large bowel obstruction
Neutropenic enterocolitis 
Volvulus, Neoplastic Disease, Paralytic ileus, Pseudo-obstruction
Short bowel syndrome
Colitis