Collaborative Stage for TNM 7 - Revised 04/25/2009 [ Schema ]
| Code | Description | TNM 7 Map | TNM 6 Map | SS77 Map | SS2000 Map |
| 000 | In situ; non-invasive; intraepithelial Stated as Tis, NOS | Tis | Tis | IS | IS |
| 100 | Invasive tumor confined/limited to ampulla of Vater or extending to sphincter of Oddi | T1 | T1 | L | L |
| 300 | Localized, NOS Stated as T1, NOS | T1 | T1 | L | L |
| 420 | Duodenal wall Stated as T2, NOS | T2 | T2 | RE | RE |
| 520 | Pancreas 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 Peripancreatic soft tissues Stomach, NOS: Distal Transverse colon | T4 | T4 | RE | RE |
| 750 | Stomach, proximal | T4 | T4 | RE | 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 |