%0 Journal Article %T Depressed-Type Colonic Lesions and ¡°De Novo¡± Cancer in Familial Adenomatous Polyposis: A Colonoscopist¡¯s Viewpoint %A Shin-ei Kudo %A Yuusaku Sugihara %A Hiroyuki Kida %A Fumio Ishida %J ISRN Gastroenterology %D 2013 %I Hindawi Publishing Corporation %R 10.1155/2013/838134 %U http://dx.doi.org/10.1155/2013/838134