Ampulla of VaterCommon Bile Duct NeoplasmsFallopian TubesPancreaticoduodenectomyBiliary Tract NeoplasmsSperm TransportDuodenal NeoplasmsOvum TransportDuodenoscopyHair Cells, AmpullaJaundiceEndolymphSemicircular CanalsCarcinoma, Signet Ring CellCholangiopancreatography, Endoscopic RetrogradeBile Duct NeoplasmsOviductsCommon Bile Duct DiseasesSomatostatinomaCarcinoid TumorGallstonesKrukenberg TumorDuodenoscopesDuodenumAdenocarcinomaDuodenal DiseasesCommon Bile DuctPhotomicrographyMixed Tumor, MalignantPancreatic DuctsCarcinoma, NeuroendocrineBiliary Tract Surgical ProceduresKeratin-7OvulationNeoplasms, Multiple PrimarySpermatozoaTakotsubo CardiomyopathyEstrusGallbladder NeoplasmsShrewsSharksCarcinoma, Large Cell