Table 3. Comparison of baseline staging with pathological findings in schedule B.
| Tumor Regression Grade (TRG) | ||||
|---|---|---|---|---|
| Schedule B n = 46 | ||||
| TRG1 | TRG2 | TRG3 | TRG4 | |
| Baseline Staging | n = 23 | n = 15 | n = 7 | n = 1 |
| cT3N0 n = 1 |
1(ypT2N0) | |||
| cT3N1 n = 14 |
6(ypT0N0); 1(ypT0N1b) |
2(ypT2N0) 1(ypT2N1a) |
1(ypT2N0);1(ypT3N0) 1(ypT2N1a) |
1(ypT3N2b) |
| T4N0 n = 1 |
1(ypT0N0) | |||
| cT3N2 n = 22 |
7(ypT0N0); 1(ypT0N1b) |
3(ypT1N0);3(ypT2N0) 1(ypT2N1a);2(ypT2N1b) 1(ypT2N2a)1(ypT3N2a) |
1(ypT1N0);1(ypT3N0) 1(ypT3N1a) |
|
| cT4N1-2 n = 1 |
1(ypT0N0) | |||
| cT3N0M1 n = 1 |
1(ypT0N0cM0)* | |||
| cT3N1M1 n = 2 |
1(ypT0N0M1) 1(ypT0N1aM1) |
|||
| cT3N2M1 n = 3 |
1(ypT0N0M0) 1(ypT0N2bM0) |
1(ypT2N2aM1) | ||
| cT4N2M1 n = 1 |
1(ypT0N0M1) | |||
cTNM = clinical staging; ypTNM = pathological staging after chemoradiotherapy treatment
*
clinical complete response of the lung metastases