title: Letter to the editor.
authors.affiliation: Division of Pediatric Surgery, Department of Surgery, Mackay Memorial Hospital, Taipei, Taiwan. Electronic address: chinhungwei@yahoo.com.tw.
authors.forename: Chin-Hung
authors.initials: CH
authors.lastname: Wei
authors.affiliation: Division of Pediatric Surgery, Department of Surgery, Mackay Memorial Hospital, Taipei, Taiwan.
authors.forename: Yu-Wei
authors.initials: YW
authors.lastname: Fu
authors.affiliation: Department of Pediatric Surgery, Guangzhou Women and Children's Hospital Medical Center, Guangzhou, Guangdong, China.
authors.forename: Yong
authors.initials: Y
authors.lastname: Wang
mesh_terms: D001006:Anus, Imperforate / Q000150:complications*; D005260:Female; D006801:Humans; D008297:Male; D008531:Megacolon / Q000628:therapy*; D012002:Rectal Diseases / Q000628:therapy*; D012810:Sigmoid Diseases / Q000628:therapy*