Results Liver metastasis models of human colon carcinoma (HCA-HMN-1) and human rectal carcinoma (HRA-HMN-2) were established after screening from 34 colorectal carcinomas.

• 结果从34例人结直肠癌标本中筛选出一株人结肠癌裸鼠肝转移模型HCA-HMN-1，已传至18代；