Low Grade Anal Canal Intraepithelial Neoplasia

**Semantic type:** Neoplastic Process

**Definition:** Intraepithelial neoplasia involving the anal canal. The epithelial cells exhibit mild dysplasia (grade I intraepithelial neoplasia).

**Synonyms:** - ASIN-L - Low Grade Anal Canal Dysplasia - Low Grade Anal Canal Squamous Dysplasia - Low Grade Anal Canal Squamous Intraepithelial Neoplasia - Low Grade Anal Squamous Intraepithelial Neoplasia - Low-Grade Intraepithelial Neoplasia of Anal Canal - Low-Grade Intraepithelial Neoplasia of the Anal Canal