求翻译：要]目的：研究弥散型He-Ne激光对放射性直肠炎的临床治疗作用。方法：将弥散型He-Ne激光导入直肠，使He-Ne激光直接照射病变直肠粘膜，观察He-Ne激光对患者直肠出血、直肠疼痛、腹泻等三大症状的影响，比较治疗前后患者直肠粘膜病理组织学的改变。结果：He-Ne激光可以显著减少放射性直肠炎患者的直肠出血，对直肠疼痛、腹泻等症状的影响不大。能明显减轻粘膜组织的炎症反应，并能促进粘膜的组织修复。结论：弥散性He-Ne激光直肠腔内照射对放射性直肠炎有较好的治疗作用。是什么意思？

] Objective: study of dispersion of He-Ne laser irradiation on clinical therapeutic effect of radiation proctitis. Methods: to import of dispersion of He-Ne laser rectum so he-Ne laser irradiation of Rectal Mucosa lesions directly, observation of He-Ne laser irradiation on patients with rectal bleed

Purpose: To study ] dispersion in transition - Ne He enteritis laser for radioactive has been the Clinical therapeutic effect. Methods: will be dispersed in transition - Ne He laser import the rectum, to direct the laser exposures He - Ne rectal mucous membrane lesions, observation He - Ne laser on