Table 2.
True positives
| Type of tumour | Brushing | Biopsy | Balloon-brushing |
| Cholangiocarcinoma | 6 | 18 | 5 |
| Adenocarcinoma | 2 | 1 | 1 |
| Metastatic adenoca. | 1 | 5 | - |
| Pancreatic carcinoma | 2 | 10 | 1 |
| Neuroendocrine tumor | 1 | - |
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