Immunohistochemical staining showed tumor cells: CD10(+), ER(+), PR(+), CyclinD1 (-), Desmin (partial +), H-caldesmon(-), P53 (individual +), PCK(-), PAX8(-), CD31 and CD34(indicating vascular tumor thrombus), Ki67(LI:10%). This evidence concerns the gene PECAM1 and neoplasm.