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Stage changes according to pathologic prognostic staging of previous anatomic stages in AJCC 8th Edition.
| Variables | n=353 n (%) |
|---|---|
| Stage unchanged | 161 (45.6) |
|
| |
| Stage changed | 192 (54.4) |
|
| |
| Degree of stage changed | |
| +1 upstaged | 18 (5.1) |
| +2 upstaged | 4 (1.1) |
| −1 downstaged | 70 (22.4) |
| −2 downstaged | 78 (22.1) |
| −3 downstaged | 13 (3.7) |
|
| |
| Oncotype Dx assay | |
| Indicated | 97 (27.5) |
| Not indicated | 256 (72.5) |
