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Table 9 Comparison of median survival time between Mandard-TRG and JGCA-TRG

From: Comparison of five tumor regression grading systems for gastric adenocarcinoma after neoadjuvant chemotherapy: a retrospective study of 192 cases from National Cancer Center in China

TRG systems Median for survival time
OS PFS
Mandard-TRG
 1 Not reached Not reached
 2 84.4 Not reached
 3 51.8 42.4
 4 38.7 22.1
 5 24.3 12.8
JGCA-TRG
 3 Not reached Not reached
 2 57.8 51.8
 1b 38.7 29.3
 1a 30.8 9.6
 0 24.3 12.8