Objective: Gallbladder cancer (GBC) typically follows an aggressive course with the standard of care for advanced disease; complete responses are rarely encountered. We report a case in which tumor disappearance on positron emission tomography computed tomography (PET-CT) was treated with S-1 as the second-line treatment for local recurrence of GBC after gemcitabine (GEM) plus cisplat... https://www.alarecre.com/