肿瘤的发生是偶然的结果
Tumorigenesis is a random result

肿瘤的发生有偶然性。基因组不稳定、表观遗传记忆改变、线粒体DNA突变、自然选择和克隆进化共同构成了肿瘤偶然发生的基础。肿瘤发生的偶然性提示肿瘤预防的可能。
Tumor results from random factors. Genomic instability, epigenetic memory alteration, mitochondrialDNA mutations, natural selection and clonal evolution compose the basis for tumor occurrence. The occasionlity oftumorigenesis indicates the possibility of cancer prevention