To study the effect of endoscopic therapy on large gastrointestinal polyps.
观察内镜下治疗胃肠大息肉的疗效。
Objective: To study the diagnosis and treatment of the gastrointestinal stromal tumor.
前言：目的：探讨胃肠道间质肿瘤的诊断与治疗。
Objective: To study the diagnosis and treatment of the gastrointestinal stromal tumor.
前言：目的：探讨胃肠道间质肿瘤的诊断与治疗。
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