Table 4. Anatomic Stage/Prognostic Groupsa
| Stage | T | N | M |
| aReprinted with permission from AJCC: Small intestine. In: Edge SB, Byrd DR, Compton CC, et al., eds.: AJCC Cancer Staging Manual. 7th ed. New York, NY: Springer, 2010, pp 127-32. | |||
| 0 | Tis | N0 | M0 |
| I | T1 | N0 | M0 |
| T2 | N0 | M0 | |
| IIA | T3 | N0 | M0 |
| IIB | T4 | N0 | M0 |
| IIIA | Any T | N1 | M0 |
| IIIB | Any T | N2 | M0 |
| IV | Any T | Any N | M1 |
