Table 1.
Clinicopathologic characteristics of patients with intrahepatic cholangiocarcinoma (n = 153)
| Variable | Patients, n (%) | Median (range) |
|---|---|---|
| Age | 59 (37–80) | |
| Male | 96 (62.7) | |
| Operative characteristics | ||
| Type of resection | ||
| 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 | ||
| 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) | |
| LN positive disease | 38 (24.8) | |
| Number of LN retrieved | 7 (1–44) | |
| Number of positive nodes | 0 (0–22) | |
| Subtype | ||
| Mass forming | 117 (76.5) | |
| Periductal infiltrative | 36 (23.5) | |
| Histology | ||
| Adenocarcinoma | 140 (91.5 %) | |
| Non-adenocarcinoma | 13 (8.5 %) | |
| Lymphovascular invasion | 55 (35.9) | |
| Perineural invasion | 36 (23.5) |
LN lymph node