Table 1 Clinicopathological characteristics of patients with biliary tract carcinoma
Factor | Treatment modality | P value | |
|---|---|---|---|
No radiotherapy (n = 20) | Adjuvant radiotherapy (n = 17) | ||
Gender | 0.204 | ||
Male | 10 | 5 | |
Female | 10 | 12 | |
Age (years) | 1.000 | ||
≤ 65 | 9 | 9 | |
> 65 | 11 | 8 | |
Tumor location | 1.000 | ||
Gallbladder cancer | 9 | 6 | |
Cholangiocarcinoma | 11 | 11 | |
Pathological tumor type | 0.608 | ||
Adenocarcinoma | 20 | 14 | |
Squamous cell carcinoma | 0 | 3 | |
Tumor differentiation | 0.701 | ||
Poor | 7 | 3 | |
Moderate | 7 | 11 | |
Well | 6 | 3 | |
Surgical margins | 0.408 | ||
R0 | 12 | 10 | |
R + | 8 | 7 | |
Nerve invasion | 0.202 | ||
Absent | 10 | 11 | |
Present | 10 | 6 | |
Vascular tumor thrombus | 0.155 | ||
Absent | 14 | 13 | |
Present | 6 | 4 | |
Lymph node metastasis | 1.000 | ||
N0 | 9 | 10 | |
N + | 11 | 7 | |
T category | 0.308 | ||
T2 | 6 | 2 | |
T3 or T4 | 14 | 15 | |
AJCC stage (8th edition) | 0.156 | ||
II | 5 | 3 | |
III | 15 | 14 | |
Adjuvant chemotherapy | 0.389 | ||
Yes | 11 | 14 | |
No | 9 | 3 | |