在肿瘤实验研究中，选用自发性肿瘤模型为对象进行研究有一定优点：首先是自发性肿瘤通常比用实验方法诱发的肿瘤与人类所患的肿瘤更为相似，有利于将动物实验结果反推用到人；其次是这一类肿瘤发生的条件比较自然，有可能通过细致观察和统计分析而发现原来没有发现的环境的或 In the experimental study of tumor, the study of spontaneous tumor model for the study has some advantages: firstly, the spontaneous tumor is usually more similar to the tumors induced by the experimental method than the tumors in humans, which is beneficial to reverse the animal experiment results Use of people; followed by this type of tumor occurs more natural conditions, it is possible through careful observation and statistical analysis and found that the original did not find the environment or