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结直肠癌在美国发病较高,每年约有120,000新病例报告。行结直肠癌切除时,有10～25%发现有肝转移.结直肠癌伴有转移的病例中,30%的患者肝脏为
Colorectal cancer is more common in the United States, with about 120,000 new cases reported each year. 10 to 25% of liver metastases are detected during resection of colorectal cancer. Among colorectal cancer and metastases, 30% of patients have liver