Appendix Low Grade Intraepithelial Neoplasia

**Semantic type:** Neoplastic Process

**Definition:** A precancerous intraepithelial neoplastic lesion that affects the appendix. It is characterized by the presence of mild dysplasia and mild architectural alterations of the mucosal epithelium. There is no evidence of invasion.

**Synonyms:** - Appendiceal Low Grade Dysplasia - Appendiceal Low Grade Intraepithelial Neoplasia - Appendix Low Grade Dysplasia