(A) Differences in the expression of SLAC35A2 in cancer tissues and normal tissues (TIMER 2.0). (B) Differences in the expression of SLAC35A2 in STAD cancer tissues and normal tissues (GEPIA). (C–E) Differences in the expression, promoter methylation, and protein levels of SLC35A2 in STAD primary tumor and normal tissues, respectively (UCLCAN). (F, G) Difference of SLC35A2 expression in OS, DFS of STAD patients (GEPIA). (H–J) Difference of SLC35A2 expression in OS, FP, PPS of STAD patients, respectively (Kaplan–Meier Plotter).</p