| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Operation on tongue | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Operation on sublingual duct | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Repair of pancreas | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Replacement of rectal tube | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Operation on stomach | Is a | True | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Cryotherapy to splanchnic nerves | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Repair of cervicosigmoidal fistula | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Cecotomy | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Anastomosis of rectum | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Endoscopic biopsy of duodenum | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Repair of small intestine fistula | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Repair of vesicourethrorectal fistula | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Operation on gallbladder | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Orthodontic cephalogram | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Closure of gastroduodenostomy | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Destructive procedure on pancreas | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Incision and drainage of lesion of tongue | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Fixation of rumen of stomach | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Closure of ureterorectal fistula | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Digital examination of colostomy stoma | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Operation on pharynx | Is a | True | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Operation on anus | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Incision of anus | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Repair of colovaginal fistula | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Pulpectomy | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Fiberoptic colonoscopy with biopsy | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Operative endoscopy of ileum | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Proctoscopy with biopsy | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Operation on pancreas | Is a | True | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Operation on perirectal tissue | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Destructive procedure of large intestine | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Incision of small intestine | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Crown lengthening, hard and soft tissue | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Repair of large intestine | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Inversion of diverticulum of small intestine | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Intubation of stomach | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Suture of jejunum | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Fixation of large intestine to abdominal wall | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Cecostomy | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Take-down of stoma of rectum | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Guided dentoalveolar tissue regeneration, including surgery and re-entry | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Repair of perineorectal fistula | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Biopsy of anus | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Cecoplication | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Cholecystopexy | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Pantaloon operation, revision of gastric anastomosis | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Fixation of small intestine | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Closure of ureterosigmoidal fistula | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Operative procedure on large intestine | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Revision of anastomosis of small intestine | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Dentoalveolar bone replacement graft, multiple sites, including flap entry and closure | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Repair of splenocolic fistula | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Pancreas to intestine anastomosis | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Anastomosis of small intestine to small intestine | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Incision of gallbladder | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Operation on jejunum | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Repair of tongue | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Gingival flap procedure, including root planing, per quadrant | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Repair of gallbladder | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Enema for removal of impacted feces | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Repair of anus | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Anastomosis of intestine, large-to-anus | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Injection of rectum and anus | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Operation on esophagus | Is a | True | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Repair of rectourethral fistula | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Revision of anastomosis of large intestine | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Removal of foreign body from gum | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Proctostomy | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Operation on liver | Is a | True | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Splanchnicotomy | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Cecopexy | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Operation on submaxillary duct | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Surgical exposure of impacted or unerupted tooth for orthodontic reason | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Destructive procedure of salivary gland | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Tooth extraction | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Biopsy of gallbladder | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Transplantation of small intestine | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Reduction of intussusception of small intestine | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Perfusion of small intestine | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Calico-ileoneocystostomy | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Operation on parotid gland | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Repair of perirectal fistula | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Dentoalveolar bone replacement graft, single site, including flap entry and closure | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Enucleation of cyst of salivary gland | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Closure of aortoduodenal fistula | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Cholecystopancreatostomy | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Repair of gallbladder fistula | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Enterocentesis of large intestine | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Chemosurgery of stomach lesion | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Construction of mucous fistula (procedure) | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Repair of rectovaginal fistula | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Endoscopic biopsy of pancreatic duct | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Tooth implantation | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Ileocystoplasty | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Jejunostomy, delayed opening | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Conversion of rectal position (procedure) | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Repair of vesicosigmoidal fistula | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Removal of tube from small intestine (procedure) | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Endoscopy of ileal conduit | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Plication of small intestine | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  | 
| Anastomosis of colon to rectum | Is a | False | Operative procedure on digestive organ | Inferred relationship | Some |  |