title: Heterotopic gastric mucosa of the anus associated with anal ulcer.
authors: Department of Gastroenterology, Kaiser Permanente, Los Angeles, CA, USA. derekcheng816@gmail.com
authors: D W
authors: DW
authors: Cheng
authors: H K
authors: HK
authors: Sekhon
authors: R
authors: R
authors: Toutounjian
authors: M A
authors: MA
authors: Abbas
mesh_terms: D002828:Choristoma / Q000150:complications* / Q000601:surgery; D005401:Fissure in Ano / Q000150:complications* / Q000601:surgery; D005753:Gastric Mucosa; D006801:Humans; D008297:Male; D008875:Middle Aged; D012002:Rectal Diseases / Q000150:complications* / Q000601:surgery