Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Suto Takayuki and Fujita Tomohiro and Mitomo Shingo and Umemura Akira and Ishida Kaoru and Uesugi Noriyuki and Sugai Tamotsu,A Long Surviving Case of Coexistent Endocrine Cell Carcinoma and Well Differentiated Adenocarcinoma in Tubulovillous Adenoma of the Rectum with Lymph Node Involvement,The Japanese Journal of Gastroenterological Surgery,0386-9768,The Japanese Society of Gastroenterological Surgery,2013,46,2,143-150,https://cir.nii.ac.jp/crid/1390001204916955904,https://doi.org/10.5833/jjgs.2012.0167