Fig. 3From: Feasibility of ipsilateral lower neck sparing irradiation for unilateral or bilateral neck node-negative nasopharyngeal carcinoma: systemic review and meta-analysis of 2, 521 patientsForest plot and meta-analysis of ILN recurrence following ILNSI versus ILNPI. Squares are the point estimates of the HRs with the 95% CIs indicated by horizontal bars. Diamonds are the summary estimates and 95% CIs from the pooled studies. ILNSI: ipsilateral lower neck sparing irradiation. ILNPI: ipsilateral lower neck prophylactic irradiationBack to article page