Fig. 4From: Optimizing the treatment mode for de novo metastatic nasopharyngeal carcinoma with bone-only metastasisKaplan-Meier curves for OS and PFS of 88 patients with de novo metastatic NPC with five or fewer metastatic bone lesions (a and b) and 43 patients with de novo metastatic NPC with more than five metastatic bone lesions (c and d) based on whether patients received RT to metastatic bone lesionsBack to article page