Objective To explore the effect and survival time by setting covered metallic expansible-self stents to treat postradiation esophago-tracheal fistula.
探索
置金属带膜自膨式支架
后
气
功效及生存时间。
任务；支架（stent复数）三单形式）Objective To explore the effect and survival time by setting covered metallic expansible-self stents to treat postradiation esophago-tracheal fistula.
探索置金属带膜自膨式支架后气功效及生存时间。
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