Pathoclinical features of GC and IHC score of RRM1.

NOTE: COH: City of Hope; and ZJU: Zhejiang University. All pathoclinical information was based on diagnosis at the time of first surgery. All cases with missing information were not included in statistical analysis.
aHigh RRM1 includes positive and strong positive score in IHC staining.
bTumor location:(1) Proximal includes: Cardia, GEJ, Esophagus lower, fundus; (2) Body includes: lesser curve, greater curve, stomach overlapping, body; (3) Distal includes: Gastric antrum, pylorus.