TABLE 4.
Tumor regression grade (TRG) of patients treated with neoadjuvant chemoradiation and surgery
| TRGa | No. of patients (%) |
|---|---|
| 1—Absence of histologically identifiable residual cancer and fibrosis extending through the different layers of the esophageal wall | 18 (38.3) |
| 2—Presence of rare residual cancer cells scattered through the fibrosis | 11 (23.4) |
| 3—Increase in the number of residual cancer cells, but fibrosis still predominated | 9 (19.1) |
| 4—Residual cancer outgrowing fibrosis | 7 (14.9) |
| 5—Absence of regressive changes | 2 (4.3) |
a TRG according to Mandard et al.17