肿瘤是严重威胁人类健康的高发病率和高死亡率性疾病,大量研究和防治资料证实,早期诊断和早期治疗是防治肿瘤与降低死亡率的最有效办法。因此,肿瘤标志物的出现使人们对肿瘤的早期诊断寄予了极大的希望。由于肿瘤早期不伴转移,容易切除,可为患者赢得较多的生存机会,因此,早期发 Cancer is a serious threat to human health, high incidence and high mortality disease, a large number of research and prevention and treatment data confirm that early diagnosis and early treatment is the most effective way to prevent cancer and reduce mortality. Therefore, the emergence of tumor markers so that people have placed great hopes on the early diagnosis of the tumor. Due to the early tumor without metastasis, easy to remove, patients can win more opportunities for survival, therefore, early hair