The article deals with lung cancer staging. A general discussion of staging is found in cancer staging.
General
The clinical staging and pathologic staging are concordant in only approximately ~50% of cases.[1]
TNM staging system
Tumour
| T stage
|
Size/criteria
|
Other requirements
|
Comment
|
| T0
|
(no tumour)
|
|
rare
|
| Tis
|
|
no invasion
|
rare
|
| T1a
|
<=2 cm
|
confined to lung, no visceral pleural invasion (VPI), no main branch bronchus involvement
|
|
| T1b
|
>2 cm, <=3 cm
|
confined to lung, no VPI, no main branch bronchus involvement
|
|
| T2a
|
>3cm or VPI or main branch bronchus involvement, <= 5cm
|
confined to lung, no total lung collapse
|
|
| T2b
|
>5cm or VPI or main branch bronchus involvement, < 7cm
|
confined to lung, no total lung collapse
|
|
| T3
|
>7 cm or 2 or more nodules or total lung collapse
|
|
|
| T4
|
extension beyond the lung
|
|
|
Lymph nodes
| N stage
|
Criteria
|
Comment
|
| N0
|
no lymph node metastases
|
|
| N1
|
metastasis in any ipsilateral node
|
includes hilar, peribronchial & intrapulmonary nodes; direct extension also counts
|
| N2
|
metastasis in any ipsilateral mediastinal node or subcarinal node
|
|
| N3
|
metastasis in any contralateral node, scalene node or supraclavicular node
|
|
Lymph nodes stations
| Station number
|
Location
|
N Staging ‡
|
| Station 1
|
lower cervical, supraclavicular, sternal notch
|
N3 for supraclavicular,[2]
N2 for others
|
| Station 2
|
upper paratracheal nodes (left and right)
|
N2
|
| Station 3
|
prevascular (anterior) and retrotracheal (posterior)
|
N2
|
| Station 4
|
lower paratracheal (right and left)
|
N2
|
| Station 5
|
subaortic/aorto-pulmonary window
|
N2
|
| Station 6
|
para-aortic (phrenic or asc. aorta)
|
N2
|
| Station 7
|
subcarinal
|
N2
|
| Station 8
|
paraesophageal
|
N2
|
| Station 9
|
pulmonary ligament
|
N2
|
| Station 10
|
hilar nodes (left and right)
|
N1
|
| Station 11
|
interlobar nodes (left and right)
|
N1
|
| Station 12
|
lobar (left and right)
|
N1
|
| Station 13
|
segmental (left and right)
|
N1
|
| Station 14
|
subsegmental (left and right)
|
N1
|
Note:
- ‡ Contralateral lymph node involvement is N3.[3]
See also
References
- ↑ López-Encuentra, A.; García-Luján, R.; Rivas, JJ.; Rodríguez-Rodríguez, J.; Torres-Lanza, J.; Varela-Simo, G. (Mar 2005). "Comparison between clinical and pathologic staging in 2,994 cases of lung cancer.". Ann Thorac Surg 79 (3): 974-9; discussion 979. doi:10.1016/j.athoracsur.2004.06.004. PMID 15734416.
- ↑ Riquet, M.; Mordant, P.; Fabre-Guillevin, E.; Arame, A.; Foucault, C.; Dujon, A.; Le Pimpec Barthes, F. (Dec 2013). "Long-term survival with surgery as part of a multimodality approach for N3 lung cancer.". Eur J Cardiothorac Surg 44 (6): 1117-22. doi:10.1093/ejcts/ezt171. PMID 23543202.
- ↑ Terán, MD.; Brock, MV. (Mar 2014). "Staging lymph node metastases from lung cancer in the mediastinum.". J Thorac Dis 6 (3): 230-6. doi:10.3978/j.issn.2072-1439.2013.12.18. PMID 24624287.
External links