肿瘤是什么?多数人只知道它是难治之症,害怕肿瘤,甚至“谈癌色变”。目前,人们还未能从本质上确切地给肿瘤病下定义,因为它的病因还不很明瞭。 人类经过长期与肿瘤斗争和大量的调查研究,对肿瘤的认识已进入较高的水平,并初步掌握了肿瘤细胞的生物学特性。那么,肿瘤细胞有哪些特性呢? What is a tumor? Most people only know that it is refractory, afraid of tumors, and even “talk about cancer discoloration.” At present, people have not yet been able to define tumor diseases intrinsically because their etiology is not yet clear. After a long period of struggle with tumors and a large number of investigations and studies, human beings have entered a higher level of understanding of tumors and have initially grasped the biological characteristics of tumor cells. What are the characteristics of tumor cells?