Figure 3.
Microscopical findings for the retroperitoneal tumor. (a) Polygonal tumor cells proliferated in sheets or nests with lymphocytes infiltration. (b) Immunohistochemical study for D2-40. Strong membranous D2-40 expression was present.
Microscopical findings for the retroperitoneal tumor. (a) Polygonal tumor cells proliferated in sheets or nests with lymphocytes infiltration. (b) Immunohistochemical study for D2-40. Strong membranous D2-40 expression was present.