Fig. 3From: Mesenteric desmoid fibromatosis entrapping metastatic urothelial carcinoma: a unique collision tumor or fibromatosis-like variant?Microscopic examination of the mesenteric nodule. (A H&E, 100X) Islets of metastatic urothelial carcinoma are seen within the lymph node. The tumor cells are positive for GATA-3 (B) and membranous beta-catenin (C). A spindle cells stroma proliferation surrounding the foci of metastatic urothelial carcinoma (D H&E, 20X; E H&E, 200), with positive nuclear beta-catenin stain (F)Back to article page