Follicular lymphoma Grade 1 of the minor duodenal papilla successfully diagnosed by endoscopic papillectomy - Abe, Takashi; Kodama, Kosuke; Nagai, Takayuki; Yamanaka, Koki; Hanzawa, Masato; Yano, Takafumi; Murakami, Kazunari (Endoscopy, 2020)