For patients diagnosed with NKTCL for one year and three years, the AUC of p-PLK1 for predicting NKTCL prognosis was 0.797 and 0.674, respectively, slightly higher than that of PLK1, which had AUC values of 0.755 and 0.654. The gene discussed is PLK1; the disease is extranodal nasal NK/T cell lymphoma.