Fig. 4From: Idiopathic retroperitoneal fibrosis with endometrial cancer: a case report and literature reviewHistopathologic appearance of the retroperitoneum biopsy in this iRPF patient. a Low-power magnification view of the retroperitoneum showed fibrosis (a, 4 ×); b High-power magnification view of the retroperitoneum showed scattered and focal lymphocytes, monocytes and plasma cells infiltration (b, 40 ×)Back to article page