Signet ring cell carcinoma of the ampulla of vater: Report of a case and a review of the literature

by Wakasugi, Masaki, Tanemura, Masahiro, Furukawa, Kenta, Murata, Maiko, Miyazaki, Masanori, Oshita, Masahide, Yoshida, Ken-ichi, Yasuoka, Hironao, Akamatsu, Hiroki
Published 2015