Collaborative Stage for TNM 7 - Revised 09/01/2009 [ Schema ]
| Code | Description | TNM 7th Map | TNM 6th Map | SS77 Map | SS2000 Map |
| 000 | In situ; non-invasive; intraepithelial | ^ | NA | IS | IS |
| 050 | (Adeno)carcinoma in a polyp, noninvasive | ^ | NA | IS | IS |
| 100 | Invasive tumor confined to mucosa, NOS, including intramucosal, NOS | ^ | NA | L | L |
| 110 | Invasion of lamina propria | ^ | NA | L | L |
| 120 | Invasion of muscularis mucosae | ^ | NA | L | L |
| 130 | Confined to head of polyp | ERROR | NA | L | L |
| 140 | Confined to stalk of polyp | ERROR | NA | L | L |
| 150 | Invasion of polyp, NOS | ERROR | NA | L | L |
| 160 | Invasion of submucosa (superficial invasion) | ^ | NA | L | L |
| 170 | Stated as T1, NOS | ^ | NA | L | L |
| 200 | Muscularis propria invaded | ^ | NA | L | L |
| 210 | Stated as T2, NOS | ^ | NA | L | L |
| 300 | Localized, NOS Intraluminal spread to other segments of small intestine or cecum | ^ | NA | L | L |
| 400 | Invasion through muscularis propria or muscularis, NOS Extension through wall, NOS Subserosal tissue/(sub) serosal fat invaded Transmural, NOS | ^ | NA | L | L |
| 410 | Stated as T3, NOS | ^ | NA | L | L |
| 420 | Fat, NOS | ^ | NA | RE | RE |
| 450 | Adjacent connective tissue Mesentery, including mesenteric fat, invaded less than or equal to 2 cm in depth or NOS Nonperitonealized perimuscular tissue invaded less than or equal to 2 cm in depth or NOS Retroperitoneum invaded less than or equal to 2 cm in depth or NOS | ^ | NA | RE | RE |
| 500 | Invasion of/through serosa(mesothelium)(tunica serosa) (visceral peritoneum) | ^ | NA | L | RE |
| 550 | (500) + [(420) or (450)] | ^ | NA | RE | RE |
| 600 | For duodenum primary only: Ampulla of Vater Diaphragm Extrahepatic bile ducts Gallbladder Pancreas Pancreatic duct | ^ | NA | RE | RE |
| 650 | For duodenum primary only: Blood vessel(s), major: Aorta Gastroduodenal artery Portal vein Renal vein Superior mesenteric artery or vein Vena cava Greater omentum Hepatic flexure Kidney, NOS Kidney, right Liver, NOS Liver, quadrate lobe Liver, right lobe Omentum, NOS Transverse colon Ureter, right For jejunum or ileum primary only: Colon, including appendix | ^ | NA | RE | RE |
| 660 | For duodenum primary only: Stomach | ^ | NA | RE | RE |
| 670 | For all small intestine sites: Abdominal wall Mesentery invaded greater than 2 cm in depth Non-peritonealized perimuscular tissue invaded greater than 2 cm in depth Retroperitoneum invaded greater than 2 cm in depth | ^ | NA | RE | RE |
| 680 | For all small intestine sites: Other segments of the small intestine via serosa | ^ | NA | RE | RE |
| 690 | Stated as T4, NOS | ^ | NA | RE | RE |
| 700 | For jejunum or ileum primary only: Bladder Fallopian tube Ovary Uterus | ^ | NA | D | D |
| 800 | Further contiguous extension | ^ | NA | D | D |
| 950 | No evidence of primary tumor | T0 | NA | U | U |
| 999 | Unknown extension Primary tumor cannot be assessed Not documented in patient record | TX | NA | U | U |