DeSimone MS, Goodman M, Pehlivanoglu B, Memis B, Balci S, Roa JC, Jang KT, Jang JY, Hong SM, Lee K, Kim H, Choi HJ, Muraki T, Araya JC, Bellolio E, Sarmiento JM, Maithel SK, Losada HF, Basturk O, Reid MD, Koshiol J, Adsay V. T2 gallbladder cancer shows substantial survival variation between continents and this is not due to histopathologic criteria or pathologic sampling differences. Virchows Arch. 2021 May; 478(5):875-884.