恶性肿瘤是威胁人类健康和生命的最主要的疾病之一。目前对恶性肿瘤的检测手段多种多样，但都不同程度地存在着缺点，如：ＣＴ、核磁共振等大型仪器的检查，虽然比较直观、准确，但肿瘤过小就不易查出，不利于早期发现、早期诊断。还有一些肿瘤标志物的检测，如ＡＦＰ、Ｃ... Malignant tumors are one of the most important diseases that threaten human health and life. At present, there are many kinds of detection methods for malignant tumors, but they all have shortcomings to varying degrees, such as CT, nuclear magnetic resonance and other large instruments. Although they are relatively intuitive and accurate, they are not easy to detect when the tumor is too small, which is not conducive to early detection. Discovery, early diagnosis. There are also some tumor markers detected, such as AFP, C...