据北京和上海两市的统计资料显示,消化系统的恶性肿瘤发病率在各种系统恶性肿瘤中居首位,其中胃癌最多,食管癌和肝癌次之;仅这3种癌症就占我国全部癌症死亡人数的60.4%。因此,重视消化系统恶性肿瘤的早期诊断和治疗,不仅必要而且十分迫切。就目前而言,癌症的预后仍主要取决于能否做到“三早”(早发现、早确诊、早治疗)。很多时候某种癌的典型 According to statistics from Beijing and Shanghai, the incidence of malignancy in the digestive system ranks first in all types of systemic malignancies, with the largest number of gastric cancers, followed by esophageal cancer and liver cancer; these three types of cancer account for only the total number of cancer deaths in China. 60.4%. Therefore, the importance of early diagnosis and treatment of digestive system malignancy is not only necessary but urgent. For now, the prognosis of cancer still depends mainly on whether it is possible to achieve “three mornings” (early detection, early diagnosis, early treatment). Many times a typical cancer