- T -
- TNM staging (T = extent of primary tumor, N = absence or presence and extent of regional lymph node involvement, M = absence or presence of distant metastases) (TX, NX, MX)
- TX, T0-T4, T1a-T1c, T4a-T4b
- TX = primary tumor cannot be assessed, T0 = no evidence of primary tumor
- Tis = carcinoma in situ
- NX, N0-N3, N1a, N1b, N1bi-iv (1bi-iv refers to size of lymph node metastases)
- MX, M0, M1
- GX-G4 = histopathologic grade
- LX, L0-L2 = lymphatic invasion
- RX, R0-R2 = residual tumor
- VX, V0-V2 = venous invasion
Prefixes under TNM:
- aTNM = classification first determined at autopsy
- cTNM = clinical classification
- (m) = multiple primary
- pTNM = pathologic classification
- r = recurrent tumors, when staged after disease-free interval
- y = classification during or following multinodal therapy
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