Jeong et al. (2020)reported a nomogram composed of age, sex, and the expression levels of CAPZA, PPase, OCT-1, PRDX4, gamma-enolase, and c-Myc; Zhu et al. (2020)illustrated a nomogram via eight independent variables based on the SEER database, including race, grade, surgery, chemotherapy, and metastases of bone, brain, liver, lung; Dong et al. (2019)reported an individualized nomogram incorporating the primary tumor, peritoneum region and Lauren type recognized by computed tomography to evaluate occult peritoneal metastasis in patients with advanced gastric cancer. Here, PRDX4 is linked to gastric cancer.