| 0 |
In situ, intraepithelial, noninvasive
- Adenocarcinoma in situ (AIS): adenocarcinoma with pure lepidic pattern, less than or equal to 3 cm in greatest dimension
- Squamous cell carcinoma in situ (SCIS) |
| 1 |
Localized only (localized, NOS)
- Adjacent ipsilateral lobe
- Confined to carina, NOS
- Confined to hilus
- Confined to lung, NOS
- Main stem bronchus, NOS (without involvement of the carina)
+ Including extension from other part of lung
- Minimally invasive adenocarcinoma
+ Adenocarcinoma tumor WITH predominantly lepidic pattern (AIS) measuring less than or equal to 3 cm in greatest dimension
* WITH invasive component measuring less than or equal to 5 mm in greatest dimension
- Superficial tumor, WITH invasive component limited to bronchial wall
+ WITH or WITHOUT proximal extension to main stem bronchus |
| 2 |
Regional by direct extension only
- Atelectasis/obstructive pneumonitis
+ Extends to hilar region, involving part or all of lung
- Blood vessel(s) (major)
+ Aorta
+ Azygos vein
+ Pulmonary artery or vein
+ Superior vena cava (SVC syndrome)
- Brachial plexus
- Carina from lung
- Chest wall (thoracic wall)
- Compression of esophagus or trachea not specified as direct extension
- Diaphragm (separate lesion-see code 7)
- Esophagus
- Mediastinum, extrapulmonary or NOS
- Nerve(s)
+ Cervical sympathetic (Horner's syndrome)
+ Recurrent laryngeal (vocal cord paralysis)
+ Vagus
- Pancoast tumor (superior sulcus syndrome), NOS
- Parietal pericardium
- Parietal pleura (PL3)
- Pericardium, NOS
- Phrenic nerve
- Pleura, NOS
- Pulmonary ligament
- Separate tumor nodule(s) in the same lobe as the primary
- Visceral pleura invasion (PL1, PL2, or NOS)
- Trachea |
| 3 |
Regional lymph node(s) involved only
- IPSILATERAL nodes only
+ Bronchial
- Peri/parabronchial
+ Carinal (tracheobronchial) (tracheal bifurcation)
+ Hilar (bronchopulmonary) (proximal lobar) (pulmonary root)
+ Intrapulmonary
* Interlobar
* Lobar
* Segmental
* Subsegmental
+ Mediastinal, NOS
* Anterior
* Aortic (above diaphragm), NOS
- Peri/para-aortic, NOS
+ Ascending aorta (phrenic)
- Subaortic (aortic-pulmonary window)
* Inferior mediastinal
- Paraesophageal
- Pulmonary ligament
- Subcarinal
* Periesophageal
* Pericardial
* Posterior (tracheoesophageal)
* Precarinal
* Pretracheal, NOS
* Superior mediastinal
- Paratracheal (left, right, upper, low, NOS)
- Azygos (lower paratracheal)
- Prevascular
- Retrotracheal
+ 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)
+ Abdominal organs
+ Adjacent rib
+ Contralateral lung/main stem bronchus
+ Heart
+ Inferior vena cava
+ Neural foramina
+ Pericardial nodules or pleural effusion (malignant) (ipsilateral, contralateral, bilateral, NOS)
+ Pleural tumor foci or nodules on ipsilateral lung (separate from direct extension) or contralateral lung
+ Rib
+ Separate tumor nodule(s) in contralateral lung
+ Separate tumor nodule(s) in a different ipsilateral lobe
+ Skeletal muscle
+ Skin of chest
+ Sternum
+ Vertebra(e) (vertebral body)
+ Visceral pericardium
- Distant lymph node(s), NOS
+ IPSILATERAL or CONTRALATERAL
* Low cervical
* Proximal root
* Scalene (inferior deep cervical)
* Sternal notch
* Supraclavicular (transverse cervical)
+ CONTRALATERAL/BILATERAL nodes
* Bronchial
- Peri/parabronchial
* Carinal
* Hilar (bronchopulmonary) (proximal lobar) (pulmonary root)
- Intrapulmonary
- Interlobar
- Lobar
- Segmental
- Subsegmental
* Mediastinal
- Anterior
- Aortic (above diaphragm), NOS
+ Peri/para-aortic, NOS
* Ascending aorta (phrenic)
+ Subaortic (aortic-pulmonary window)
- Inferior mediastinal
+ Paraesophageal
+ Pulmonary ligament
+ Subcarinal
- Periesophageal
- Pericardial
- Posterior (tracheoesophageal)
- Precarinal
- Pretracheal
- Superior mediastinal
+ Paratracheal (left, right, upper, low, NOS)
- Azygos (lower paratracheal)
+ Prevascular
+ Retrotracheal
- Distant metastasis, NOS
+ Carcinomatosis
+ Distant metastasis WITH or WITHOUT distant lymph node(s) |
| 9 |
Unknown if extension or metastasis |
