What adjuvant therapy would be recommended for node positive gastric adenocarcinoma s/p gastrectomy, in a patient who did not receive neoadjuvant therapy?

The 4 studies that provide guidance for adjuvant treatment are chemotherapy only (ACTS-GC and CLASSIC with 1 year of S-1 and Capeox respectively)chemoradiation (US INT 116 for bolus 5-FU/leucovorin before and after chemoradiation with 5-FU) and chemotherapy with or without chemoradiation (ARTIST stu...