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Table 1 Definition of PFS event

From: Neoadjuvant docetaxel, oxaliplatin and S-1 therapy for the patients with large type 3 or type 4 gastric cancer (OGSG1902): protocol of a multi-center, phase II study

Preoperative treatment Surgery PFS event
non-PD R0/R1 resection relapse or death
R2 resection relapse, progression, or death
unresectable/denial of surgery progression or death
PD R0/R1 resection relapse or death
R2 resection surgery
unresectable/denial of surgery PD judgement
  1. PFS progression-free survival, PD progressive disease, R0 no residual tumor, R1 microscopic residual tumor, R2 macroscopic residual tumor