Collaborative Stage for TNM 7 - Revised 01/21/2010 [ Schema ]
| Code | Description | TNM 7 Map | TNM 6 Map | SS77 Map | SS2000 Map |
| 000 | In situ; non-invasive; intraepithelial Stated as Tis, NOS | ^ | Tis | IS | IS |
| 100 | Invasive tumor confined/limited to ampulla of Vater or extending to sphincter of Oddi | ^ | T1 | L | L |
| 300 | Localized, NOS | ^ | T1 | L | L |
| 310 | Stated as T1, NOS | ^ | T1 | RE | RE |
| 420 | Duodenal wall | ^ | T2 | RE | RE |
| 430 | Stated as T2, NOS | ^ | T2 | RE | RE |
| 520 | Pancreas | T3 | T3 | RE | RE |
| 550 | Retroperitoneum Peripancreatic soft tissues | T3 | T3 | D | D |
| 600 | Stated as T3, NOS | T3 | T3 | RE | RE |
| 620 | Common bile duct | T4 | T4 | RE | RE |
| 650 | Extrahepatic bile ducts other than common bile duct or sphincter of Oddi | T4 | T4 | RE | RE |
| 700 | Extension to other adjacent organs or tissues: Blood vessels(major): Hepatic artery Portal vein Gallbladder Hepatic flexure Lesser omentum Liver including porta hepatis Stomach, NOS: Distal Transverse colon | T4 | T4 | RE | RE |
| 750 | Stomach, proximal | T4 | T4 | RE | D |
| 760 | Any of [(620 to 750)] + 550 | T4 | T4 | D | D |
| 780 | Stated as T4, NOS | T4 | T4 | D | D |
| 800 | Further contiguous extension Other adjacent organs | T4 | T4 | D | D |
| 950 | No evidence of primary tumor | T0 | T0 | U | U |
| 999 | Unknown extension Primary tumor cannot be assessed Not documented in patient record | TX | TX | U | U |