Table 3 The mode of treatment failure
From: Radiotherapy with S-1 for the treatment of esophageal squamous cell carcinoma 75 years or older
Failure site | N (%) | P-value | ||
|---|---|---|---|---|
50.4 Gy(N = 37) | 61.2 Gy(N = 54) | Total(N = 91) | ||
Regional recurrence | 18(48.6%) | 20(37.0%) | 38(41.8%) | 0.270 |
Within the irradiation field | 16(43.2%) | 16(29.6%) | 32(35.2%) | 0.182 |
Outside the irradiation field | 2(5.4%) | 4(7.4%) | 6(6.6%) | 1.000 |
Distant metastasis | 5(13.5%) | 7(13.0%) | 12(13.2%) | 0.939 |
Lung | 4(10.8%) | 4(7.4%) | 8(8.8%) | 0.852 |
Liver | 1(2.7%) | 2(3.7%) | 3(3.3%) | 0.791 |
Pleura | 0 | 1(1.9%) | 1(1.1%) | 0.305 |