Outcomes and a prognostic classifier in patients with microsatellite instability-high metastatic gastric cancer receiving PD-1 blockade ======================================================================================================================================= * Giovanni Randon * Yu Aoki * Romain Cohen * Leonardo Provenzano * Vincenzo Nasca * Samuel J Klempner * Steven B Maron * Riccardo Cerantola * Joseph Chao * Lorenzo Fornaro * Walter Ferrari Bravo * Filippo Ghelardi * Margherita Ambrosini * Paolo Manca * Massimiliano Salati * Akihito Kawazoe * Valerie Zhu * Darren Cowzer * Virginia Genovesi * Sara Lonardi * Kohei Shitara * Thierry André * Filippo Pietrantonio