Tumour stages
The tumour staging characteristics for lung cancer are:
- TX:
- malignant cells found in bronchopulmonary secretions but primary is not detectable
- malignant cells found in bronchopulmonary secretions but primary is not detectable
- T0:
- no evidence of primary tumour
- no evidence of primary tumour
- T1:
- diameter < 3 cm
- no invasion of surrounding structures
- T2:
- diameter > 3 cm
- tumour must be more than 2 cm distal to the carina
- T3:
- tumour of any size which is invading surrounding structures but not involving the heart, great vessels, oesophagus or vertebral body
- a tumour within 2 cm of the carina but not involving the carina
- T4:
- tumour of any size which is invading any of the structures excluded from T3
- presence of a malignant pleural effusion
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