Fig. 5From: Conversion surgery for initially unresectable carcinoma of the ampulla of Vater following pathological complete response to chemotherapy: a case reporta, b Macroscopic findings of the resected specimen. c Histopathological examination demonstrated ampullary mucosa with moderately atypical glands. The polarity of the nuclei was basically conserved. d Resected lymph nodes around the superior mesenteric artery consisted of hyperplasia of lymphoid follicles and necrotic tissue. There were no signs of residual tumor cellsBack to article page