fig3

Figure 3. Lymph node metastasis from well differentiated neuroendocrine tumour (G1) of the ileo-cecal valve. (A) Metastatic mesenteric lymph node (not microscope photo); (B) evidence of nodal compression with serotonin stain (arrow, X4); (C) compression of the nodal parenchima by neoplastic cells (arrow, X4); (D) mindbomb homolog 1/ki-67 proliferation index below 2% (arrow). Non-neoplastic lymphocytes (D, oval) as internal control (X40)