Univariate analysis testing the impact of all parameters on grade ≥ 2 toxicity for patients without lymph node involvement on MRI.

Univariate analysis testing the impact of all parameters on grade ≥ 2 toxicity for patients without lymph node involvement on MRI.单变量分析（Univariate analysis）旨在检验所有参数对经磁共振成像（MRI）检查未发现淋巴结受累的患者发生≥2级毒性反应的影响。