Table 1 Definitions of T and N for SEER breast cancer cases from 1990-2000.
From: On an ensemble algorithm for clustering cancer patient data
Prognostic factors | Categories | Level |
|---|---|---|
Tumor size | T 1(T ≤ 2cm) T 2(2cm < T ≤ 5cm ) T 3(T > 5cm) | 1 2 3 |
Nodal status | N 0(No positive axillary nodes) N 1(1 - 3 nodes contain tumor) N 2(4 - 10 nodes contain tumor) N 3(More than 10 nodes contain tumor) | 1 2 3 4 |