Table 4. Characteristics of the patients with intrahepatic bile duct carcinoma.
| Characteristic | N (%) |
| Patients with adenocarcinoma as microscopic morphology | 32 |
| Method and site of microscopic diagnosis | |
| Histology of primary tumor | 19 (59.4) |
| Cytology of primary tumor | 6 (18.8) |
| Histology of metastatic lesion | 5 (15.6) |
| Cytology of metastatic lesion | 2 (6.25) |
| Age (years) | |
| 20-29 | 0 |
| 30-39 | 1 (3.13) |
| 40-49 | 5 (15.6) |
| 50-59 | 13 (40.6) |
| 60-69 | 9 (28.1) |
| 70-79 | 4 (12.5) |
| >80 | 0 |
| Gender | |
| Male | 21 (65.6) |
| Female | 11 (34.4) |
| Disease extent at presentation | |
| Localized | 1 (3.13) |
| Locoregional | 20 (62.5) |
| Distant metastasis | 11 (34.4) |