Table 1. Clinicopathologic Characteristics of Patients.
| Characteristics | Values |
|---|---|
| Total No. of patients (%) | 234 (100) |
| Age (years) | |
| Median (range) | 72 (46–99) |
| Sex (%) | |
| Male:Female | 123 (52.6):111 (47.4) |
| Final diagnosis (%) | |
| Common bile duct cancer | 156 (66.7) |
| Hilar cholangiocarcinoma | 78 (33.3) |
| Gross morphologic type (%) | |
| Mass forming | 38 (16.2) |
| Periductal infiltrating | 187 (79.9) |
| Intraductal papillary growing | 9 (3.8) |
| Differentiation (%) | |
| Well differentiated | 56 (23.9) |
| Moderately differentiated | 95 (40.6) |
| Poorly differentiated | 16 (6.8) |
| Could not be assessed | 67 (28.6) |
| Diagnosis based on (%) | |
| Surgical specimen | 123 (52.6) |
| Endoscopic biopsy | 93 (39.7) |
| Follow-up | 18 (7.7) |
| Treatment modality (%) | |
| Curative intent surgery | 120 (51.3) |
| Explorative laparotomy | 4 (1.7) |
| Medical treatment such as palliative chemotherapy or best supportive treatment | 110 (47.0) |
Values are presented as median (range) and number (percentages) unless otherwise indicated.