The results showed that transplantability of LCI-D20 was 100% in 12 generations(passage time:20 days)and all of these mice implanted tumors died within 40 days after transplantation due to serious metastasis.

• 结果：LCI－D20模型传代12次，移植生长率为100%25，宿主生存期40天，传代周期20天。