根据计划靶区的等剂量分布、体积-剂量直方图以及其他的剂量学指标，比较两种不同治疗计划的优劣。

All plans were compared according to the planning target volume coverage, dose-volume histogram and other dosimetric parameters of normal tissues.

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根据肿瘤的位置、临床靶体积、病人的身体状况与治疗目的，制定放射治疗计划及调整剂量分布。

Radiotherapeutic plan was worked out and dosage distribution were set on the basis of the carcinoma position, clinical target volume, health condition of patients and therapeutic aim.

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方法肝癌病人22例，根据肿瘤的位置、临床靶体积、病人的身体状况与治疗目的，制定治疗计划。

Methods To work out radiotherapeutic plan in 22 patients on the basis of the carcinoma location, clinical target volume(CTV), patient health condition and therapeutic aim with Gamma-knife.

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