Objective To investigate the efficacy of surgery for primary retroperitoneal tumor ( PRT ).

目的提高原发性腹膜后肿瘤 ( PRT ) 的手术效果.

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Objective : To improve the diagnostic rate and therapeutic level of primary retroperitoneal tumor.

目的: 提高原发性腹膜后肿瘤的诊断及治疗水平.

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Abstract Objective To summarize the surgical experience in huge primary retroperitoneal tumor tumor resection rate.

目的总结原发性腹膜后巨大肿瘤的外科手术经验.

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