title: Filiform serrated adenoma: authors' reply.
authors.affiliation: Department of Pathology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea.
authors.forename: Sang Yun
authors.initials: SY
authors.lastname: Ha
authors.affiliation: Department of Pathology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea. Electronic address: kkmkys@skku.edu.
authors.forename: Kyoung-Mee
authors.initials: KM
authors.lastname: Kim