Case Report
Poorly Differentiated Neuroendocrine Tumor of the Rectum Coexistent with Giant Rectal Villous Adenoma Presenting as McKittrick-Wheelock Syndrome
Figure 4
(a) Microscopic appearance of rectum mass biopsy revealing villous adenoma with focal high-grade dysplasia (H&E, ×20). (b) Microscopic appearance of liver mass biopsy revealing metastatic poorly differentiated neuroendocrine carcinoma of rectum (H&E, ×20).
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