Adjuvant nivolumab versus ipilimumab in resected stage IIIB–C and stage IV melanoma (CheckMate 238): 4-year results from a multicentre, double-blind, randomised, controlled, phase 3 trial

Paolo A. Ascierto, Michele Del Vecchio, Mario Mandalà, Helen Gogas, Ana Arance, Stéphane Dalle, C. Lance Cowey, Michael Schenker, Jean-Jacques Grob, Vanna Chiarion‐Sileni, Iván Márquez‐Rodas, Marcus O. Butler, Michele Maio, Mark R. Middleton, Luis de la Cruz‐Merino, Petr Arenberger, Victoria Atkinson, Andrew Hill, Leslie A. Fecher, Michael Millward, Nikhil I. Khushalani, Paola Queirolo, Maurice Lobo, Veerle de Pril, John T. Loffredo, James Larkin, Jeffrey S. Weber