Abstract:132 Background: Most recently, there were 3 reports of prospective randomized clinical trials comparing the effects of primary tumor resection (PTR) for multiorgan metastatic colorectal cancer followed by chemotherapy with chemotherapy alone, but the results differed and unconvincing due to the prematurely study termination and research protocol changes. PTR was preferably performed for patients with asymptomatic synchronous unresectable colorectal liver-limited metastases (CRLMs) with conversion therapy purp… Show more
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