| 0 |
In situ, intraepithelial, noninvasive |
| 1 |
Localized only (localized, NOS)
- Confined to pleura, NOS
- Invasive tumor (mesothelioma) confined to pleura, NOS
- Ipsilateral parietal pleura WITH or WITHOUT involvement of
+ Diaphragmatic pleural
+ Mediastinal pleura
+ Parietal pleura
+ Visceral pleura |
| 2 |
Regional by direct extension only
- Adjacent (connective) tissue, NOS
- Chest wall
- Confluent visceral pleural tumor (including any involvement of interlobar fissure)
- Diaphragmatic muscle
- Endothoracic fascia
- Ipsilateral pleural surfaces all involved
+ Diaphragmatic, parietal, mediastinal, and visceral
- Lung parenchyma, or lung involvement, NOS
- Mediastinal fat (mediastinal tissues)
- Mediastinal organs (direct extension)
- Nodule(s) beneath visceral pleural surface (ipsilateral pleura)
- Pericardium (extension through the internal surface) (non-transmural, NOS) WITHOUT pericardial effusion
- Pulmonary parenchyma (visceral pleural extension)
- Rib |
| 3 |
Regional lymph node(s) involved only
- Aortic (above diaphragm), NOS
+ Ascending aorta (phrenic)
+ Peri/para-aortic
+ Subaortic (aortico-pulmonary window)
- Carinal (tracheobronchial) (tracheal bifurcation)
- Hilar (ipsilateral)
+ Bronchopulmonary
+ Proximal lobar
+ Pulmonary root
- Intercostal
- Internal mammary (parasternal)
- Intrapulmonary
+ Interlobar
+ Lobar
+ Segmental
+ Subsegmental
- Mediastinal, NOS (ipsilateral)
+ Anterior
+ Posterior (tracheoesophageal)
- Pericardial
- Peri/parabronchial
- Peri/paraesophageal (below carina)
- Peri/paratracheal (lower [azygos], upper, NOS)
- Pretracheal and retrotracheal (precarinal), NOS
- Prevascular
- Pulmonary ligament
- Subcardial
- Subcarinal
- Regional lymph node(s), NOS
+ Lymph node(s), NOS |
| 4 |
Regional by BOTH direct extension AND regional lymph node(s) involved
- Codes (2) + (3) |
| 7 |
Distant site(s)/lymph node(s) involved
- Distant site(s) (including further contiguous extension)
+ Brachial plexus
+ Cervical (neck) tissues
+ Contralateral lung
+ Contralateral pleura (direct contiguous extension)
+ Contralateral pleura/chest wall (discontinuous involvement)
+ Heart muscle
+ Intra-abdominal organs
+ Mediastinal organs (discontinuous involvement)
+ Mesothelioma WITH malignant pleural fluid
+ Pericardial effusion, malignant
+ Pericardium WITH pericardial effusion
+ Peritoneum (direct transdiaphragmatic extension of tumor)
+ Peritoneum (discontinuous extension of tumor)
+ Pleural effusion (see Note 2)
+ Spine
- Distant lymph node(s), NOS
+ Hilar (contralateral, bilateral)
* Bronchopulmonary
* Proximal lobar
* Pulmonary root
+ Mediastinal (contralateral, bilateral)
* Anterior
* Posterior (tracheoesophageal)
+ Peridiaphragmatic (ipsilateral, contralateral)
* Mediastinal
+ Scalene (ipsilateral, contralateral)
* Inferior deep cervical
+ Supraclavicular (ipsilateral or contralateral)
* Transverse cervical
- Distant metastasis, NOS
+ Carcinomatosis
+ Distant metastasis WITH or WITHOUT distant lymph node(s) |
| 9 |
Unknown if extension or metastasis |
