High transcriptional expression of ALDH1A1 was associated with longer OS in gastric intestinal type adenocarcinoma, with HR = 0.6 (0.44–0.83), p = 0.0018 (Figure 4A), but not in diffuse gastric adenocarcinoma (Figure 4B). This evidence concerns the gene ALDH1A1 and diffuse gastric adenocarcinoma.