Table 6.
7th Edition AJCC Cancer Staging Manual for NSCLC.
| T component | |
|---|---|
| 0 cm (pure lepidic adenocarcinoma ≤3 cm in total size) | T1a if ≤ 2 cm; T1b f>2-3cm |
| ≤0.5 cm invasive size (lepidic predominant adenocarcinoma ≤ 3 cm total size) | T1a if ≤ 2cm; T1b if>2-3cm |
| ≤1cm | T1a |
| >1-2 cm | T1a |
| >2-3 cm | T1b |
| >3-4 cm | T2a |
| >4-5 cm | T2a |
| >5-7 cm | T2b |
| >7 cm | T3 |
| Bronchus <2 cm from carin | T3 |
| Total atelectasis/pneumonitis | T3 |
| Invasion of diaphragm | T3 |
| Invasion of mediastinal pleura | T3 |
| N component | |
| Regional lymph nodes cannot be assessed | NX |
| No regional lymph node metastasis | N0 |
| Metastasis in ipsilateral peribronchial and/or ipsilateral hilar lymph nodes andintrapulmonary nodes, including involvement by direct extension | N1 |
| Metastasis in ipsilateral mediastinal and/or subcarinal lymph node(s) | N2 |
| Metastasis in contralateral mediastinal, contralateral hilar, ipsilateral or contralateral scalene, or supraclavicular lymph node(s)contralateral scalene, or supraclavicular lymph node(s) | N3 |
| M component | |
| Metastasis within the thoracic cavity | M1a |
| Single extrathoracic metastasis | M1b |
| Multiple extrathoracic metastasis | M1b |