gastrointestinal system disease +

appendix disease +
autoimmune disease of gastrointestinal tract +
diarrhea +
esophageal atresia/tracheoesophageal fistula
esophageal disease +
gallbladder disease +
gastroenteritis +
gastroesophageal reflux disease
gastrointestinal anthrax +
gastrointestinal system benign neoplasm +
gastrointestinal system cancer +
gastrointestinal tularemia
hepatobiliary disease +
juvenile polyposis syndrome
mouth disease +
mucositis
peptic ulcer disease +
perinatal necrotizing enterocolitis
peritonitis +
stomach disease +

acute vascular insufficiency of intestine
angiodysplasia of intestine
angiostrongyliasis
baylisascariasis
blind loop syndrome
bowel dysfunction
capillariasis
cecal disease +
chronic intestinal vascular insufficiency
colonic disease +
cryptosporidiosis
diverticulitis +
duodenitis
duodenum disease +
endometriosis of intestine
enterokinase deficiency
familial adenomatous polyposis +
hereditary mixed polyposis syndrome +
inflammatory bowel disease +
inguinal hernia
intestinal atresia +
intestinal benign neoplasm +
intestinal cancer +
intestinal disaccharidase deficiency
intestinal infectious disease +
intestinal obstruction +
intestinal perforation +
intestinal schistosomiasis
intestinal tuberculosis
intestine carcinoma in situ +
irritable bowel syndrome
metagonimiasis
mucocele of appendix
multiple intestinal atresia
neurogenic bowel
Peutz-Jeghers syndrome
pneumatosis cystoides intestinalis
postgastrectomy syndrome +
protein-losing enteropathy
rectal disease +
short bowel syndrome
sitosterolemia 1
sitosterolemia 2
strongyloidiasis
trichuriasis
tropical sprue
umbilical hernia
Whipple disease