Table 1 Patient Characteristics
Characteristic | Total (n = 40) |
|---|---|
Sex | |
Male | 26 |
Female | 14 |
Median age (years) | 68.5 (36–81) |
Median tumor size (mm) | 33.5 (8.3–76.0) |
Median CEA level pre-CRT (ng/ml) | 9.0 (1.0–1022.0) |
Median CEA level post-CRT (ng/ml) | 3.0 (1.0–108.0) |
Operation | |
Tumorectomy* | 2 |
Low anterior resection | 6 |
Abdominoperineal resection | 10 |
Total pelvic exenteration | 22 |
Concomitant sacrectomy | |
Done | 21 |
Not done | 19 |
Resection Status | |
R0 | 36 |
R1 | 4 |
Tumor Regression Grade (TRG) | |
TRG1–2 | 17 |
TRG3–4 | 23 |