title: Radiolucent foreign body visible on plain radiography.
authors.affiliation: Department of Surgery, Prince of Wales Hospital, Shatin, NT, Hong Kong.
authors.forename: Kit-Fai
authors.initials: KF
authors.lastname: Lee
authors.forename: John
authors.initials: J
authors.lastname: Wong
authors.forename: Paul B S
authors.initials: PB
authors.lastname: Lai
mesh_terms: D003113:Colonoscopy; D003937:Diagnosis, Differential; D005547:Foreign Bodies / Q000000981:diagnostic imaging* / Q000601:surgery; D006801:Humans; D010535:Laparoscopy; D008297:Male; D008875:Middle Aged; D011860:Radiography, Abdominal / Q000379:methods*; D012007:Rectum