肿瘤是临床三大死亡原因之一,全世界每年死于癌症的患者仅次于心脑血管疾病患者。有关癌症诊断与治疗的问题,已成为研究的热点,但对恶性肿瘤的早期发现、早期诊断以及对患者的病情进展监测尚缺乏一个较为理想的肿瘤标志 Tumor is one of the three major causes of death in clinical practice, and the number of patients who die from cancer in the world each year is second only to those with cardiovascular and cerebrovascular diseases. The diagnosis and treatment of cancer, has become a hot research, but the early detection of malignant tumors, early diagnosis and monitoring of the patient’s progress is still lack of a more ideal tumor markers