Table 1.
Clinicopathological characteristics of extrahepatic cholangiocarcinoma
| pCCA (n = 34) | dCCA (n = 40) | |
| Age (yr), median (range) | 71.5 (44-82) | 72.5 (39-85) |
| Gender | ||
| Male | 23 | 6 |
| Female | 11 | 34 |
| Preoperative biliary drainage | ||
| Yes | 33 | 38 |
| No | 1 | 2 |
| Procedure | ||
| PD | 1 | 38 |
| HH | 27 | 1 |
| PD + HH | 5 | 0 |
| Bile duct resection | 0 | 1 |
| Others | 1 | 0 |
| Total number of duct margins for frozen section | 55 | 45 |
| Number of duct margins for frozen section | ||
| 1 | 15 | 35 |
| 2 | 17 | 5 |
| 3 | 2 | 0 |
| pT | ||
| pT1/pT2 | 27 | 20 |
| pT3/pT4 | 6 | 19 |
| Unknown | 1 | 1 |
dCCA: Distal cholangiocarcinoma; HH: Hemihepatectomy; pCCA: Perihilar cholangiocarcinoma; PD: Pancreaticoduodenectomy.