Alkhaffaf, B, Metryka, A, Blazeby, J M, Glenny, A M, Adeyeye, A, Matos Costa, P, Diez del Val, I, S Gisbertz, S, Gunner, A, Law, S, Lee, H-J, Lee, Z, Nakada, K, Reim, D, Vorwald, P, Baiocchi, G L, Allum, W H, Chaudry, M A, Griffiths, E, Williamson, P R & Bruce, I 2021, ' Core Outcome Set for Surgical Trials in Gastric Cancer (GASTROS Study) : International patient and healthcare professional consensus ', British Journal of Surgery . https://doi.org/10.1093/bjs/znab192 British journal of surgery, 108(10), 1216-1224. John Wiley and Sons Ltd Alkhaffaf, B, Metryka, A, Blazeby, J M, Glenny, A-M, Adeyeye, A, Costa, P M, Val, I D D, Gisbertz, S S, Guner, A, Law, S, Lee, H-J, Li, Z, Nakada, K, Reim, D, Vorwald, P, Baiocchi, G L, Allum, W, Chaudry, M A, Griffiths, E A, Williamson, P R & Bruce, I A 2021, ' Core outcome set for surgical trials in gastric cancer (GASTROS study): international patient and healthcare professional consensus ', British Journal of Surgery . https://doi.org/10.1093/bjs/znab192 behalf of the GASTROS International Working Group 2021, ' Core outcome set for surgical trials in gastric cancer (GASTROS study) : international patient and healthcare professional consensus ', British Journal of Surgery, vol. 108, no. 10, pp. 1216-1224 . https://doi.org/10.1093/bjs/znab192 British Journal of Surgery, 108(10), 1216-1224. John Wiley and Sons Ltd