Anti-Yo antibody-positive paraneoplastic cerebellar degeneration in a patient with possible cholangiocarcinoma: A case report and review of the literature

Figure 3 Contrast-enhanced computed tomography scan of the whole abdomen. Multiple enlarged lymph nodes in the retroperitoneum and porta hepatis region and no obvious enhancement, which suggested a metastatic tumor. A: Retroperitoneum (orange arrow); B and C: Porta hepatis region (shown by orange arrows and orange circles).