T/M | N0 | N1 | N2 | N3 |
---|---|---|---|---|
T1a (≤2 cm) | IA | IIA | IIIA | IIIB |
T1b (>2 cm) | IA | IIA | IIIA | IIIB |
T2a (≤5 cm) | IB | IIA | IIIA | IIIB |
T2b (>5 cm) | IIA | IIB | IIIA | IIIB |
T3 (>7 cm) | IIB | IIIA | IIIA | IIIB |
T3 (invasion) | IIB | IIIA | IIIA | IIIB |
T3 (same lobe nodules) | IIB | IIIA | IIIA | IIIB |
T4 (extension) | IIIA | IIIA | IIIB | IIIB |
T4 (pleural effusion) | IV | IV | IV | IV |
M1a (ipsilateral lung) | IIIA | IIIA | IIIB | IIIB |
M1a (contralateral lung) | IV | IV | IV | IV |
M1b (distant) | IV | IV | IV | IV |