Variable | Patients, n (%) | Median (range) |
---|---|---|
Age |  | 59 (37–80) |
Male | 96 (62.7) | Â |
Operative characteristics | Â | Â |
Type of resection | Â | Â |
 Wedge resection | 3 (2.0) |  |
 Segmentectomy | 11 (7.2) |  |
 Multiple segmentectomy | 25 (16.3) |  |
 Hemihepatectomy | 92 (60.1) |  |
 Extended hemihepatectomy | 22 (14.4) |  |
Pathologic characteristics | Â | Â |
 Tumor size, cm |  | 4.5 (0.5–14.0) |
 Tumor size ≥4 cm | 97 (63.4) |  |
 Multiple tumors | 37 (24.2) |  |
Lymphadenectomy performed | 81 (52.9) | Â |
LN positive disease | 38 (24.8) | Â |
Number of LN retrieved |  | 7 (1–44) |
Number of positive nodes |  | 0 (0–22) |
Subtype | Â | Â |
 Mass forming | 117 (76.5) |  |
 Periductal infiltrative | 36 (23.5) |  |
Histology | Â | Â |
 Adenocarcinoma | 140 (91.5 %) |  |
 Non-adenocarcinoma | 13 (8.5 %) |  |
Lymphovascular invasion | 55 (35.9) | Â |
Perineural invasion | 36 (23.5) | Â |