Fig. 1From: Radiation-induced osteosarcoma of the maxilla and mandible after radiotherapy for nasopharyngeal carcinomaOverall survival (OS) curve for 45 patients with radiation-induced osteosarcoma of the maxilla and mandible (RIOSM). a OS curve for 45 patients with RIOSM who underwent radiotherapy for nasopharyngeal carcinoma. b OS for two groups stratified by different diameter. c OS for three groups stratified by different treatmentsBack to article page