Collaborative Stage for TNM 7 - Revised 10/27/2009 [ Schema ]
| Code | Description | TNM 7 Map | TNM 6 Map | SS77 Map | SS2000 Map |
| 000 | In situ; non-invasive; intraepithelial | Tis | Tis | IS | IS |
| 100 | Invasive tumor confined to: Lamina propria Mucosa, NOS Submucosa (superficial invasion) | T1a | T1a | L | L |
| 110 | Stated as T1a [NOS] | T1a | T1a | L | L |
| 200 | Muscularis propria | T1b | T1b | L | L |
| 210 | Stated as T1b [NOS] | T1b | T1b | L | L |
| 300 | Localized, NOS | T1NOS | T1NOS | L | L |
| 400 | Perimuscular connective tissue | T2 | T2 | RE | RE |
| 410 | Stated as T2 [NOS] | T2 | T2 | RE | RE |
| 500 | Invasion of/through serosa (visceral peritoneum) | T3 | T3 | L | RE |
| 550 | 400 + 500 | T3 | T3 | RE | RE |
| 600 | Extension into liver, NOS | T3 | T3 | RE | RE |
| 610 | Extension into liver less than or equal to 2 cm | T3 | T3 | RE | RE |
| 615 | Extension to Branch(s) of portal vein (right or left) Extension to Branch(s) of hepatic artery (right or left) | T3 | T3 | RE | RE |
| 618 | Extension to ONE of the following: Ampulla of Vater Extrahepatic bile duct(s) | T3 | T3 | RE | RE |
| 620 | OBSOLETE DATA RETAINED V0200 (See codes 618 and 621) Extension to ONE of the following: Ampulla of Vater Duodenum Extrahepatic bile duct(s) Omentum, NOS Greater Lesser Pancreas Small intestine, NOS | ERROR | T3 | RE | RE |
| 621 | Extension to ONE of the following: Duodenum Omentum, NOS Greater Lesser Pancreas Small intestine, NOS | T3 | T3 | RE | RE |
| 650 | Extension to ONE of the following WITHOUT extension to any structure in 621: Colon Stomach | T3 | T3 | RE | RE |
| 655 | Extension to abdominal wall without extension to any structures in 621 or 650 | T3 | T4 | D | D |
| 660 | Extension to cystic artery/vein WITHOUT extension to any structure in 621 to 650 | T3 | T3 | RE | D |
| 670 | Extension to ONE structure in codes 621 to 650 PLUS extension into liver (600 or 610) | T3 | T3 | RE | RE |
| 680 | 660 PLUS extension into liver (600 or 610) | T3 | T3 | RE | D |
| 710 | Extension into liver greater than 2 cm WITHOUT extension to any structure in 621 to 660 | T3 | T3 | D | D |
| 720 | Extension into liver greater than 2 cm PLUS extension to ONE structure in 621 to 660 | T3 | T3 | D | D |
| 725 | Stated as T3 [NOS] | T3 | T3 | RE | RE |
| 730 | Extension to two or more structures in 621 to 660, with or without extension into liver of any depth | T4 | T4 | D | D |
| 750 | Extension to: Common Hepatic artery Main Portal vein Hepatic artery, NOS Portal vein, NOS | T4 | T4 | RE | D |
| 780 | 750 + any of (600 to 730) | T4 | T4 | D | D |
| 800 | OBSOLETE DATA RETAINED V0200 (See codes 655 and 805) Further contiguous extension, including: Abdominal wall Diaphragm | ERROR | T4 | D | D |
| 805 | Further contiguous extension, including: Diaphragm | T4 | T4 | D | D |
| 810 | Stated as T4[NOS] | T4 | T4 | RE | 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 |