组织，切片，人肿瘤，淋巴结肿瘤(石蜡切片)。

Tissue, Section, Human Tumor, Lymph Nodes Tumor (Paraffin).

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目的：比较腹主动脉旁淋巴结肿瘤转移的3D-CRT和IMRT放射治疗计划的剂量学差异。

Objective: To compare dosimetry of 3D-CRT and IMRT plan for para-aortic lymph node tumor metastasis.

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霍奇金淋巴瘤是淋巴结上的肿瘤，淋巴结是免疫系统的一部分。

Hodgkin's lymphoma is the cancer of the lymph nodes, which are part of the immune system.

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