肿瘤的发生：从有序到无序
Carcinogenesis: from order to chaos

人体是高度复杂的有序整体。肿瘤的发生是人体从有序向无序转变的结果。这个过程包括四个阶段： 有序期、临界期、无序期和崩溃期。
Human is a complex but orderly biological system. Carcinogenesis results from the changing process from order to disorder in human body. The progressive process includes four phases: order phase, critical phase, disorder phase and crumbling phase