Primary tumor (T) | |||
TX | Primary tumor cannot be assessed | ||
T0 | No evidence of primary tumor | ||
T1 | Tumor limited to the ipsilateral parietal pleura with or without mediastinal pleura and with or without diaphragmatic pleural involvement | ||
T1a | No involvement of the visceral pleura | ||
T1b | Tumor also involving the visceral pleura | ||
T2 | Tumor involving each of the ipsilateral pleural surface (parietal, mediastinal, diaphragmatic, and visceral pleura) with at least one of the following: | ||
Involvement of diaphragmatic muscle | |||
Extension of tumor from visceral pleura into the underlying pulmonary parenchyma | |||
T3 | Locally advanced but potentially resectable tumor | ||
Tumor involving all of the ipsilateral pleural surfaces (parietal, mediastinal, diaphragmatic, and visceral pleura) with at least one of the following: | |||
Involvement of the endothoracic fascia | |||
Extension into the mediastinal fat | |||
Solitary, completely resectable focus of tumor extending into the soft tissues of the chest wall | |||
Nontransmural involvement of the pericardium | |||
T4 | Locally advanced technically unresectable tumor | ||
Tumor involving all of the ipsilateral pleural surfaces (parietal, mediastinal, diaphragmatic, and visceral pleura) with at least one of the following: | |||
Diffuse extension or multifocal masses of tumor in the chest wall, with or without associated rib destruction | |||
Direct transdiaphragmatic extension of tumor to the peritoneum | |||
Direct extension of tumor to the contralateral pleura | |||
Direct extension of tumor to mediastinal organs | |||
Direct extension of tumor into the spine | |||
Tumor extending through to the internal surface of the pericardium with or without a pericardial effusion or tumor involving the myocardium | |||
Regional lymph nodes (N) | |||
NX | Regional lymph nodes cannot be assessed | ||
N0 | No regional lymph node metastases | ||
N1 | Metastases in the ipsilateral bronchopulmonary or hilar lymph nodes | ||
N2 | Metastases in the subcarinal or the ipsilateral mediastinal lymph nodes including the ipsilateral internal mammary and peridiaphragmatic nodes | ||
N3 | Metastases in the contralateral mediastinal, contralateral internal mammary, ipsilateral or contralateral supraclavicular lymph nodes | ||
Distant metastasis (M) | |||
M0 | No distant metastasis | ||
MI | Distant metastasis present | ||
Anatomic stage/prognostic groups | |||
Stage I | T1 | N0 | M0 |
Stage IA | T1a | N0 | M0 |
Stage IB | T1b | N0 | M0 |
Stage II | T2 | N0 | M0 |
Stage III | T1, T2 | N1 | M0 |
T1, T2 | N2 | M0 | |
T3 | N0, N1, N2 | M0 | |
Stage IV | T4 | Any N | M0 |
Any T | N3 | M0 | |
Any T | Any N | M1 |
Do you want to add Medilib to your home screen?