GUCY1A2 and gastric adenocarcinoma: The results showed that these 10 genes were associated with the OS of STAD patients, including RAI14 (HR=0.376, P<0.001), GUCY1A2 (HR=0.524, P=0.001), CNGB3 (HR=0.572, P=0.003), FJX1 (HR=0.662, P=0.026), FZD2 (HR=0.