The Survival Benefit of Palliative Resection of Primary Tumor in Colorectal Cancer Patients with Unresectable Metastasis Who Responded to Systematic Therapy
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资源简介：
Interventions: Surgical treatment group:surgical resection of primary tumor+ chemotherapy;non surgical treatment group:chemotherapy Primary outcome(s): PFS Study Design: Parallel
创建时间：
2021-01-15
