Table 1 Patient characteristics
Variables | Patients (n = 50) |
|---|---|
Clinical factors | |
 Sex, male/female | 29/21 |
 Age (years) | 69 (32–84) |
 HBsAg, positive, n (%) | 2 (4.0) |
 HCV Ab, positive, n (%) | 7 (14) |
 Child–Pugh class, A/B | 48/2 |
 CEA (ng/mL) | 3.3 (0.4–133.1) |
 CA 19-9 (IU/mL) | 199.8 (0.7–3055.0) |
 Tumor size (cm) (radiographical) | 4.0 (1.0–14.0) |
Treatment factors | |
 R0 resection, n (%) | 48 (96) |
 Surgical procedures | |
  Extended/major/minor hepatectomy | 22/22/6 |
 Morbidity, C-D class III/IV, n (%) | 12 (24) |
 Preoperative chemotherapy, n (%) | 0 |
 Adjuvant chemotherapy, present, n (%) | 30 (60) |
Pathological factors | |
 Tumor differentiation | |
  Well/moderate/poor | 28/15/7 |
 Vascular invasion, present, n (%) | 34 (68) |
 Biliary invasion, present, n (%) | 24 (48) |
 Lymph node metastasis, present, n (%) | 15 (30) |
 Tumor number, multiple, n (%) | 15 (30) |
 Tumor size (cm) (pathological) | 3.5 (1.0–14.0) |
 AJCC stage, I/II/III/IV | 2/10/13/25 |
 KRAS mutation status | |
  Wild-type/mutated | 34/16 |