Table 4 Comparison of pathologic characteristics between laparoscopic stapleless left lateral sectionectomy (LH) and open left lateral sectionectomy (OH) for hepatocellular carcinoma
Variables | LH group a (n = 18) | OH group (n = 75) | p value |
|---|---|---|---|
Tumor size (cm)b | 3.2 ± 0.50 | 4.9 ± 0.41 | 0.011 |
Tumor size (> 5 cm (%)) | 2 (11.1) | 26 (34.7) | 0.083 |
Encapsulation (Yes (%)) | 16 (88.9) | 64 (85.3) | 1.000 |
Capsular invasion (Yes (%)) | 12 (66.7) | 45 (60.8) | 0.789 |
Tumor rupture (Yes (%)) | 0 (0) | 13 (17.3) | 0.066 |
Vascular invasion (Yes (%)) | 5 (27.8) | 20 (26.7) | 1.000 |
Daughter nodules (Yes (%)) | 2 (11.1) | 9 (12.0) | 1.000 |
Resection margin (Negative (%)) | 18 (100) | 74 (98.7) | 1.000 |
Safety margin (≥1 cm (%)) | 11 (61.1) | 35 (46.7) | 0.304 |
Edmonson and Steiner grade (III and IV (%)) | 6 (35.3) | 27 (37.0) | 1.000 |
Cirrhosis (Yes (%)) | 8 (44.4) | 44 (58.7) | 0.302 |
T stage | |||
 T1 (%) | 11 (61.1) | 37 (52.9) | 0.631 |
 T2 (%) | 4 (22.2) | 15 (21.4) |  |
 T3a/T3b (%) | 0/4 (0/5.7) | 1/2 (1.4/11.1) |  |
 T4 (%) | 1 (5.6) | 13 (18.6) |  |