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结肠癌是西方国家人群的主要病死原因之一 ,也是我国人群中最常见的恶性肿瘤之一 ,其发病率在各种消化道肿瘤中已升至第 2位。虽然人们对结肠癌的研究工作投入了大量精力 ,但许多问题仍未得到澄清。得到公认的是 :结肠癌的发生和发展可能与腺瘤向腺癌的转化及多种癌基因和抑癌?
Colon cancer is one of the major causes of death in western countries and one of the most common malignancies in our population. Its incidence has risen to No. 2 in various gastrointestinal tumors. Although much effort has been devoted to research on colon cancer, many questions remain unanswered. It is recognized that: the occurrence and development of colon cancer and adenoma may be transformed into adenocarcinoma and a variety of oncogenes and tumor suppressor?