Metastatic Signet Ring Cell Carcinoma of the Ampulla of Vater with an Unusually Prolonged Survival.
Javvaji C, Bledsoe JR, Hutchinson L, Cosar EF, McIntosh LJ, Bathini VG. Metastatic Signet Ring Cell Carcinoma of the Ampulla of Vater with an Unusually Prolonged Survival. J Gastrointest Cancer. 2020 Mar; 51(1):354-358.