PSCA and gastric cancer: To further confirm the association, we conducted a replication study and found that the PSCA rs2294008 contributed to the increased gastric cancer susceptibility (CT vs. CC, OR = 1.55, 95% CI = 1.20–1.99, P<0.001 and CT+TT vs. CC, OR = 1.38, 95% CI = 1.09–1.74, P=0.008).