Abstract Background The genetics of advanced biliary tract cancers (BTC). which encompass intra- and extra-hepatic cholangiocarcinomas as well as gallbladder carcinomas. are heterogeneous and remain to be fully defined. Methods To better characterize mutations in established known oncogenes and tumor suppressor genes we tested a mass spectrometric based platform to interrogate common ... https://www.roneverhart.com/Tokidoki-X-Hello-Kitty-and-Friends-1-Blind-Box/