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Characteristics of CCA patients
| Age: year ± SD (min–max) | 56.2 ± 8.8 (33–75) |
| Gender: male:female | 32:18 |
| Tumour gross type | |
| Mass forming | 22 |
| Periductal infiltrating | 23 |
| Intraductal growth type | 5 |
| Histological type | |
| Papillary | 23 |
| Non‐papillary | |
| Well differentiated | 20 |
| Moderately differentiated | 4 |
| Poorly differentiated | 3 |
| Metastasis (no/yes) | 22/28 |
