POU5F1P4 and gastric cancer: Similar survival patterns were observed for gastric cancer patients with OCT4/POU5F1P3, OCT4/POU5F1P4, POU5F1P1/POU5F1P3, POU5F1P1/POU5F1P4, or POU5F1P3/POU5F1P4 co-occurrence (see Fig. 8d, middle and right panels and Supplementary Fig. S4d).