| 0 |
In situ, intraepithelial, noninvasive
- (Adeno)carcinoma, noninvasive, in a polyp or adenoma |
| 1 |
Localized only (localized, NOS)
- Confined to small intestine, NOS
- Extension through wall, NOS
- Intraluminal spread to other segments of small intestine or cecum
- Invasion of
+ Intramucosa, NOS
+ Lamina propria
+ Mucosa, NOS
+ Muscularis mucosae
+ Muscularis, NOS
+ Muscularis propria
+ Submucosa (superficial invasion)
- Polyp (head, stalk, NOS)
- Subserosal tissue/(sub)serosal fat invaded
- Transmural, NOS
- Wall, NOS |
| 2 |
Regional by direct extension only
- All sites
+ Abdominal wall (via serosa)
+ Adjacent organ(s)/structure(s)
+ Adjacent tissue(s) (connective), NOS
+ Fat, NOS
+ Mesenteric fat
+ Mesentery (adjacent loops of bowel)
+ Mesothelium
+ Nonperitonealized perimuscular tissue
+ Other loops of small intestine
+ Other segments of small intestine (via serosa)
+ Retroperitoneum
+ Serosa
+ Tunica serosa
+ Visceral peritoneum
- Duodenum (C170)
+ Ampulla of Vater
+ Blood vessel(s), major
* Aorta
* Gastroduodenal artery
* Portal vein
* Renal vein
* Superior mesenteric artery or vein
* Vena cava
+ Diaphragm
+ Extrahepatic bile duct(s)
+ Gallbladder
+ Hepatic flexure
+ Kidney (right or NOS)
+ Liver (quadrate lobe, right lobe or NOS)
+ Omentum
+ Pancreas (pancreatic duct)
+ Stomach
+ Transverse colon
+ Ureter, right
- Jejunum and Ileum (C171, C172)
+ Colon including appendix |
| 3 |
Regional lymph node(s) involved only
- All sites
+ Regional lymph node(s), NOS
* Lymph node(s), NOS
- Duodenum (C170)
+ Duodenal
+ Gastroduodenal
+ Hepatic
+ Pancreaticoduodenal (inferior)
+ Pericholodochal (common bile duct)
+ Pyloric (infrapyloric, subpyloric, NOS)
+ Retropancreatic
+ Superior mesenteric
- Jejunum and ileum (C171, C172)
+ Cecal (anterior, posterior, retrocecal) (terminal ileum only)
+ Ileocecal (ileocolic) (terminal ileum only)
+ Mesenteric, NOS
+ Superior mesenteric |
| 4 |
Regional by BOTH direct extension AND regional lymph node(s) involved
- Codes (2) + (3) |
| 7 |
Distant site(s)/lymph node(s) involved
- Distant site(s) (including further contiguous extension)
+ Jejunum and Ileum (C171, C172)
* Bladder
* Fallopian tube(s)
* Ovary(ies)
* Uterus
- Distant lymph node(s), NOS
+ Celiac
+ Pericholedochal (jejunum and ileum only)
- Distant metastasis, NOS
+ Carcinomatosis
+ Distant metastasis WITH or WITHOUT distant lymph node(s) |
| 9 |
Unknown if extension or metastasis |
