Table 2.
Data-driven and consensus pathologic stage grouping for adenocarcinoma
| Data-driven group | pT | pN | pM | pG | Consensus stage group |
|---|---|---|---|---|---|
| 1 | Tis | N0 | M0 | N/A | 0 |
| T1a | N0 | M0 | G1 | IA† | |
| T1a | N0 | M0 | G2 | IB† | |
| T1b | N0 | M0 | G1-2 | ||
| 2 | T1 | N0 | M0 | G3 | IC |
| 3 | T2 | N0 | M0 | G1-2 | |
| 4 | T2 | N0 | M0 | G3 | IIA |
| 5 | T1 | N1 | M0 | Any | IIB |
| T3 | N0 | M0 | Any | ||
| 6 | T1 | N2 | M0 | Any | IIIA |
| T2 | N1 | M0 | Any | ||
| T4a | N0 | M0 | Any | IIIB | |
| 7 | T2 | N2 | M0 | Any | |
| 8 | T3 | N1-2 | M0 | Any | |
| T4a | N1 | M0 | Any | ||
| T4a | N2 | M0 | Any | IVA | |
| 9 | T4b | N0-2 | M0 | Any | |
| X‡ | Any | N3 | M0 | Any | |
| Any | Any | M1 | Any | IVB |
†
From subset analysis.
‡
Not in data-driven analysis.