Comparison of Seventh and Eighth Edition TNM Staging Systems for Non-Small-Cell Lung Cancer | |||||||
| STAGE GROUPINGS SEVENTH EDITION | STAGE GROUPINGS EIGHTH EDITION | ||||||
|---|---|---|---|---|---|---|---|
| Stage IA | T1a-T1b | N0 | M0 | Stage IA1 | T1a | N0 | M0 |
Stage IA2 | T1b | N0 | M0 | ||||
Stage IA3 | T1c | N0 | M0 | ||||
| Stage IB | T2a | N0 | M0 | Stage IB | T2a | N0 | M0 |
| Stage IIA | T1a,T1b,T2a | N1 | M0 | Stage IIA T2bN0M0 | T2b | N0 | M0 |
| T2b | N0 | M0 | |||||
| Stage IIB | T2b | N1 | M0 | Stage IIB | T1a-T2b | N1 | M0 |
| T3 | N0 | M0 | T3 | N0 | M0 | ||
| Stage IIIA | T1a,T1b,T2a,T2b | N2 | M0 | Stage IIIA | T1-2b | N2 | M0 |
| T3 | N1,N2 | M0 | T3 | N1 | M0 | ||
| T4 | N0,N1 | M0 | T4 | N0/N1 | M0 | ||
| Stage IIIB | T4 | N2 | M0 | Stage IIIB | T1-2b | N3 | M0 |
| Any T | N3 | M0 | T3/T4 | N0/N1 | M0 | ||
| Stage IIIC | N/A | T3/T4 | N3 | M0 | |||
| Stage IV | Any T | Any N | M1a or M1b | Stage IVA | Any T | Any N | M1a/M1b |
| Stage IV B | Any T | Any N | M1c | ||||