Table 1.
Tumor regression after neoadjuvant chemoradiotherapy[6]
Histopathological tumor regression |
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Primary tumor (downsizing) |
Tumor stage (downstaging) |
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ypT | TRG0 | TRG1 | TRG2 | TRG3 | TRG4 | ypUICC | TRG0 | TRG1 | TRG2 | TRG3 | TRG4 |
0 | - | - | - | - | 3 | 0 | - | - | - | - | 2 |
1 | - | - | - | 1 | - | I | - | 2 | 3 | 4 | - |
2 | - | 2 | 4 | 6 | - | II | 1 | 2 | 4 | 3 | - |
3 | 1 | 3 | 10 | 8 | - | III | - | 3 | 7 | 7 | 1 |
4 | - | 2 | - | - | - | IV | - | - | - | 1 | - |
Total | 1 | 7 | 14 | 15 | 3 | Total | 1 | 7 | 14 | 15 | 3 |