Ca Lung

TX:

Primary tumor cannot be assessed, or tumor proven by the presence of malignant cells in sputum or bronchial washings but not visualized by imaging or bronchoscopy

No evidence of primary tumor

Carcinoma in situ

A tumor that is 3 cm or less in greatest dimension, surrounded by lung or visceral pleura, and without bronchoscopic evidence of invasion more proximal than the lcbar bronchus (i.e., not in the main bronchus)

A tumor with any of the following features of size or extent: More than 3 cm in greatest dimension, involves the main bronchus, 2 cm or more distal to the carina, invades the visceral pleura, associated with atelectasis or obstructive pneumonitis that extends to the hilar region but does not involve the entire lung

A tumor of any size that directly invades any of the following: chest wall (including superior sulcus tumours), diaphragm, mediastinal pleura, parietal pericardium; or tumor in the main bronchus less than 2 cm distal to the carina but without involvement of the carina; or associated atelectasis or obstructive pneumonitis of the entire lung

A tumor of any size that invades any of the following: mediastinum, heart, great vessels, trachea, oesophagus, vertebral body, carina; or separate tumor nodules in the same lobe; or tumor with a malignant pleural effusion 

Regional Lymph Nodes (N)　

Distant Metastasis (M)　

Specify sites according to the following notations:

T2, N1,M0