Surial was significantly longer in the younger group (40 months) than in the older group (23 months).

生存期年轻患者为40个月，年老患者为23个月，年轻患者明显延长。

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Surial was significantly longer in the younger group (40 months) than in the older group (23 months).

生存期年轻患者为40个月，年老患者为23个月，年轻患者明显延长。

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