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

Figure 4 Lymph node pathology. A: Left cervical lymph node pathology. Hematoxylin-eosin (HE) staining, × 100 magnification. The lymph nodes were infiltrated by atypical cells, and the atypical cells partly had an adenoid structure; B: Retroperitoneal lymph node pathology. HE staining, × 200 magnification. Atypical cells grew in nests, some of which had adenoid structures and infiltrating growth, with nuclear divisions visible