Fig. 2From: The diagnostic and prognostic values of plasma Epstein-Barr virus DNA for residual cervical lymphadenopathy in nasopharyngeal carcinoma patients: a retrospective studyKaplan-Meier estimates of the survival of NPC patients. Of the 82 patients, 68 had positive postoperative pathological results, and 14 had negative postoperative pathological results. a Progression-free survival; b overall survival; c distant metastasis-free survival; d locoregional relapse-free survival; e Local relapse-free survival; and f Regional relapse-free survivalBack to article page