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1·Three-dimensional conformal radiotherapy is a mostly-used external radiotherapy for some tumors, e. g. prostate carcinoma, head and neck cancer, breast cancer and lung cancer ect.

三维适形放疗是治疗肿瘤的一种主要的外照射治疗方式，如：前列腺癌、头颈部癌、乳腺癌和肺癌等。

2·Most clinic researches overseas have been made great progress in prostate carcinoma and head and neck cancers. Our country is getting involved in the study and had some good results.

国外临床研究已在前列腺癌、头颈部肿瘤等的治疗中取得良好效果，国内研究也已起步并初见成效。

3·Results: Androgen receptors of 10 prostate carcinoma patients expressed negative in 40 patients, 30 positive, 25% and 75% respectively, which 5 strongly positive, accounting for 12.5%.

结果：40例前列腺癌患者的前列腺癌组织中雄激素受体表达阴性10例，阳性30例，分别为25%和75%，其中强阳性5例，占12.5%。

4·Objective To evaluate the therapeutic effects of intensity modulated radiation therapy (IMRT) in combination with hormonotherapy in the treatment of intermediate and advanced prostate carcinoma.

目的分析调强适形放射治疗(IMRT)联合内分泌治疗对中晚期前列腺癌的治疗效果。