Table 4.
Data-driven and consensus anatomic pathologic stage grouping for adenocarcinoma
| Data-driven group | pT | pN | pM | Consensus stage group |
|---|---|---|---|---|
| 1 | Tis | N0 | M0 | 0 |
| 2 | T1a | N0 | M0 | IA† |
| T1b | N0 | M0 | IB† | |
| 3 | T2 | N0 | M0 | IIA |
| 4 | T3 | N0 | M0 | IIB |
| T1 | NI | M0 | ||
| 5 | T1 | N2 | N0 | IIIA |
| T2 | N1 | M0 | ||
| T4a | N0 | M0 | IIIB | |
| 6 | T2 | N2 | M0 | |
| 7 | T3 | N1-2 | M0 | |
| T4a | N1 | M0 | ||
| T4a | N2 | M0 | IVA | |
| 8 | T4b | N0-2 | M0 | |
| X‡ | Any | N3 | M0 | |
| Any | Any | M1 | IVB |
From subset analysis.
Not in data-driven analysis.