Benign neoplasm of anus and anal canal

**Inclusion terms:** - Benign neoplasm of anus NOS

**Excludes1:** - benign neoplasm of anal margin (D22.5, D23.5) - benign neoplasm of anal skin (D22.5, D23.5) - benign neoplasm of perianal skin (D22.5, D23.5)