title: The annual tree ring sign, the concentric sign, and Aurora rings: similar faces of "prolapsing" diseases?
authors: Department of Infectious, Respiratory and Digestive Medicine, University of the Ryukyus, Okinawa, Japan.
authors: Akira
authors: A
authors: Hokama
authors: Department of Infectious, Respiratory and Digestive Medicine, University of the Ryukyus, Okinawa, Japan.
authors: Tetsu
authors: T
authors: Kinjo
authors: Department of Infectious, Respiratory and Digestive Medicine, University of the Ryukyus, Okinawa, Japan.
authors: Kazuto
authors: K
authors: Kishimoto
authors: Department of Infectious, Respiratory and Digestive Medicine, University of the Ryukyus, Okinawa, Japan.
authors: Jiro
authors: J
authors: Fujita
mesh_terms: D003113:Colonoscopy / Q000379:methods*; D005260:Female; D006801:Humans; D007413:Intestinal Mucosa / Q000473:pathology*; D012002:Rectal Diseases / Q000473:pathology*