Objective:To retrospectively analyze the effect of radiotherapy for 30 cases of lethal midline granuloma and prognostic factors.
目的：回顾性分析30例恶性肉芽肿放射治疗效果和与预后有关的因素。
Objective:To retrospectively analyze the effect of radiotherapy for 30 cases of lethal midline granuloma and prognostic factors.
目的：回顾性分析30例恶性肉芽肿放射治疗效果和与预后有关的因素。
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