Staging Lung Cancer

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N0

N1

N2

N3

No regional lymph node metastasis

Metastasis in ipsilateral pulmonary or hilar lymph nodes

Metastasis in ipsilateral mediastinal/subcarinal lymph nodes

Metastasis in contralateral mediastinal/hilar or lymph supraclavicular nodes

T1

Tumor < 3 cm^a

T1a

Tumor ≤ 2 cm^a

T1b

Tumor > 2 cm but ≤ 3 cm^a

T2

Tumor > 3 cm but ≤ 7 cm^a or tumor with#. Invading visceral pleura, bronchus ≥ 2 cm from carina, atelectasis extending to hilum, but not involving the entire lung

T2a

Tumor > 3 cm but ≤ 5 cm^a

T2b

Tumor > 5 cm but ≤ 7 cm^a

T3

Tumor > 7 cm^a; OR invading chest wall diaphragm, phrenic nerve, mediastinal pleura, pericardium; OR tumor < 2 cm distal to the carina, OR atelectasis of entire lung; OR separate tumor nodule(s) in same lobe

T3_>7

Tumor > 7 cm^a

T3_Inv

Invading chest wall diaphragm, phrenic nerve, mediastinal pleura, pericardium

T3_Centr

Tumor < 2 cm distal to the carina

IIIA-T3_CentrN1

IIIA-T3_CentrN2

IIIB-T3_CentrN3

T3_Satell

Separate tumor nodule(s) in same lobe

IIB-T3_SatellN0

IIIA-T3_SatellN1

IIIA-T3_SatellN2

IIIB-T3_SatellN3

T4

Tumor invading heart, great vessels, trachea, recurrent laryngeal nerve, esophagus, spine; OR tumor nodules(s) in a different ipsilateral lobe

T4_Inv

Tumor invading heart, great vessels, trachea, recurrent laryngeal nerve, esophagus, spine

T4_{Ipsi Nod}

Tumor nodules(s) in a different ipsilateral lobe

IIIA-T4_{Ipsi Nod}N0

IIIA-T4_{Ipsi Nod}N1

IIIB-T4_{Ipsi Nod}N2

IIIB-T4_{Ipsi Nod}N3

M0

M0

No metastasis

No metastasis

M1

M1a_{Contra Nod}

Separate tumor nodule(s) in contralateral lobe

IV-M1a_{Contra Nod}

M1a_{Pl Dissem}

Tumor with malignant pleural dissemination

IV-M1a_{Pl Dissem}

M1b_Brain

Brain metastasis

M1b_Adrenal

Adrenal metastasis

M1b_Liver

Liver metastasis

M1b_Bone

Bone metastasis

M1b_{Lymph Node}

Lymph Node metastasis

IV-M1b_{Lymph Node}