肿瘤是严重威胁人民健康的常见病、多发病,也是近年来医学领域内重点研究的课题。在伟大领袖毛主席和党中央的领导下,肿瘤的群众性防治研究工作以及诊断和治疗等方面,都取得了很大的进展。但是目前在临床上仍有一些恶性肿瘤病人来就诊时已近晚期,病情严重,全身状况较差,有的已不能手术,即使应用中草药、化疗或放疗,效果亦不显著。因此,如何能够及时发现癌肿, Cancer is a common and frequently-occurring disease that seriously threatens people’s health. It is also a key research topic in the medical field in recent years. Under the leadership of the great leader Chairman Mao and the Party Central Committee, great progress has been made in the prevention and treatment of tumors as well as in diagnosis and treatment. However, at present, there are still some patients with malignant tumors in the clinic who are nearing advanced stage. The condition is serious, the general condition is poor, and some patients are inoperable. Even if Chinese herbal medicine, chemotherapy or radiotherapy is applied, the effect is not significant. Therefore, how can we detect cancer in time?