Collaborative Stage Data Set - Revised 05/13/2011 FINAL
| Code | Description | TNM 7 Map | TNM 6 Map | SS77 Map | SS2000 Map |
| 000 | In situ, intraepithelial, noninvasive | Tis | Tis | IS | IS |
| 100 | Invasive tumor confined/limited to ampulla of Vater Invasive tumor extending to sphincter of Oddi | T1 | T1 | L | L |
| 300 | Localized, NOS Stated as T1 with no other information on extension | T1 | T1 | L | L |
| 420 | Duodenal wall Stated as T2 with no other information on extension | T2 | T2 | RE | RE |
| 520 | Pancreas Stated as T3 with no other information on extension | T3 | T3 | RE | RE |
| 620 | Common bile duct | T4 | T4 | RE | RE |
| 650 | Extrahepatic bile duct(s) (Other than common bile duct and sphincter of Oddi) | T4 | T4 | RE | RE |
| 700 | OBSOLETE DATA RETAINED AND REVIEWED V0203 See code 710 and 760 Extension to other adjacent organs or tissues: Blood vessel(s) (major): Hepatic artery Portal vein Gallbladder Hepatic flexure of colon Lesser omentum Liver, including porta hepatis Peripancreatic soft tissue Stomach, NOS: Distal Transverse colon | T4 | T4 | RE | RE |
| 710 | Extension to other adjacent organs or tissues: Blood vessel(s) (major): Hepatic artery Portal vein Gallbladder Hepatic flexure of colon Lesser omentum Liver, including porta hepatis Stomach, NOS: Distal Transverse colon | T4 | T4 | RE | RE |
| 750 | Stomach, proximal | T4 | T4 | D | RE |
| 760 | Peripancreatic soft tissue | T4 | T4 | D | D |
| 765 | 760 + 750 | T4 | T4 | D | D |
| 780 | Stated as T4 with no other information on extension | T4 | T4 | RE | RE |
| 800 | Further contiguous extension | T4 | T4 | D | D |
| 950 | No evidence of primary tumor | T0 | T0 | U | U |
| 999 | Unknown; extension not stated Primary tumor cannot be assessed Not documented in patient record | TX | TX | U | U |