Refractory lymphoma treated with chimeric antigen receptor T cells combined with programmed cell death-1 inhibitor: A case report

Figure 1 Histopathological microphotograph of primary testicular diffuse large B-cell lymphoma. A: The basic structure of the testicle is destroyed, and there are a lot of lymphocytes infiltrating (magnification × 100); B: Hematoxylin and eosin stained sections showed diffuse proliferation of medium-sized round cells (magnification × 400); C-H: On immunohistochemistry, the neoplastic cells showed positive expression of CD20 (C), CD79a (D), BCL-2 (E), BCL-6 (F), C-myc (G); Ki67 staining showed almost 80% proliferation index (H).