_:vb50937231 . _:vb50937231 . _:vb50937231 "url:https://www.cancer.org/cancer/gallbladder-cancer/detection-diagnosis-staging/staging.html"^^ . _:vb50937231 . _:vb50937231 "url:https://en.wikipedia.org/wiki/Gallbladder_cancer"^^ . _:vb50937231 . _:vb50937231 "An in situ carcinoma located_in the surface epithelium of the gallbladder that most commonly develops into adenocarcinoma."^^ . _:vb50937231 .