Important tumour information for lung cancer staging
|
Tumour size (cm) |
Distance of tumour from carina (determined by surgeon) |
Is the visceral pleura affected? |
Is there a pleural effusion? |
Does the background lung show atelectasis or obstructive pneumonitis and what is the extent? |
Which lymph nodes are affected by tumour? |
Features of primary tumour (T)
|
TI | Tumour less than 3 cm, surrounded by lung or unaffected pleura, no atelectasis, obstructive pneumonitis, or extension proximal to a lobar bronchial orifice |
T2 | Tumour greater than 3 cm, or any size if there is disease in visceral pleura, atelectasis, or obstructive pneumonitis extending to the hilum. Proximal margin of tumour must be > 2 cm from carina. Any atelectasis or obstructive pneumonitis must involve less than the entire lung |
T3 | Tumour of any size that directly involves the chest wall, diaphragm, or mediastinum. Proximal margin of tumour < 2 cm from carina |
T4 | Tumour of any size with invasion of mediastinum, or involving heart great vessels, trachea, oesophagus, vertebral body, carina, or malignant effusion |
Extent of regional lymph nodes
|
N0 | No metastasis to regional lymph nodes |
N1 | Metastasis to lymph nodes in the peribronchial oripsilateral hilar, or both |
N2 | Metastasis to ipsilateral mediastinal or subcarinal lymph nodes |
N3 | Metastasis to contralateral mediastinal, contralateral hilar, ipsilateral scalene, or supraclavicular lymph nodes |
Distant metastases
|
M0 | No distant metastases |
M1 | Distant metastases present |