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T (Primary Tumor)
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T1
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T1a
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Tumor ≤ 2 cma
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T1b
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Tumor > 2 cm but ≤ 3 cma
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T2
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T2a
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Tumor > 3 cm but ≤ 5 cma
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T2b
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Tumor > 5 cm but ≤ 7 cma
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T3
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T3>7
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Tumor > 7 cma
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T3Inv
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Invading chest wall diaphragm, phrenic nerve, mediastinal pleura, pericardium
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T3Centr
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Tumor < 2 cm distal to the carina
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T3Satell
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Separate tumor nodule(s) in same lobe
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T4
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T4Inv
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Tumor invading heart, great vessels, trachea, recurrent laryngeal nerve, esophagus, spine
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T4Ipsi Nod
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Tumor nodules(s) in a different ipsilateral lobe
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N (Regional Lymph Node)
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N0
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No regional lymph node metastasis
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N1
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Metastasis in ipsilateral pulmonary or hilar lymph nodes
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N2
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Metastasis in ipsilateral mediastinal/subcarinal lymph nodes
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N3
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Metastasis in contralateral mediastinal/hilar or lymph supraclavicular nodes
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M (Distant Metastasis)
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M0
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M0
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No metastasis
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M1
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M1aContra Nod
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Separate tumor nodule(s) in contralateral lobe
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M1aPl Dissem
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Tumor with malignant pleural dissemination
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M1bBrain
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Brain metastasis
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M1bAdrenal
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Adrenal metastasis
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M1bLiver
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Liver metastasis
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M1bBone
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Bone metastasis
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M1bLymph Node
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Lymph Node metastasis
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