Appendix Neuroendocrine Tumor: Retrospective Analysis of 4026 Appendectomy Patients in a Single Center

Figure 5

In hematoxylin and eosin sections, tumoral tissue infiltrating the appendix mucosa and submucosa and developing in the insular pattern is observed on the left side of the picture. In the right half of the picture, it is seen that the tumoral tissue infiltrates the submucosa, as well as the muscularis propria and subserosa.