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大肠癌是一种发病率和死亡率较高的恶性肿瘤,其发生发展是一个多基因参与和多阶段累积致癌的复杂过程。手术治疗早期大肠癌的5年生存率可达95%,但目前对大肠癌的早期诊断率只有37%,平均5年生存率只有20%~25%[1]。如何利用已知的肿瘤标志物,对大肠癌早期诊断,及时治疗,正确的判?
Colorectal cancer is a malignant tumor with high morbidity and mortality. The occurrence and development of colorectal cancer is a complex process involving multiple genes and multi-stage cumulative carcinogenesis. Surgical treatment of early colorectal cancer 5-year survival rate of up to 95%, but the early diagnosis of colorectal cancer was only 37%, the average 5-year survival rate of only 20% to 25% [1]. How to use the known tumor markers, early diagnosis of colorectal cancer, timely treatment, the correct sentence?