This is a retrospective cohort study using anonymized information from patients with ENKTL. The following criteria are required: (1) Patients diagnosed with ENKTL between January 1, 2000 and August 31, 2020; (2) Patients older than 18 years. The pathology of initial diagnosis was reviewed by designated pathologists.
This study aims to evaluate prognostic factors for overall survival and explore risk progression-free survival in ENKTL, and establish a prognostic predictive nomogram for ENKTL patients.