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Diagnostic evaluation before EUS
| Imaging modalities | n | % |
| Only CT | 289 | 47.3 |
| CT + MRI | 190 | 31.1 |
| CT + ERCP | 120 | 19.6 |
| CT + MRI + ERCP | 12 | 2.0 |
CT: Computed tomography; MRI: Magnetic resonance imaging; ERCP: Endoscopic retrograde colangiopancreatography.
