Objective To evaluate the efficacy of low-dose cyclophosphamide (CTX) for the antiangiogenic effect on lewis lung carcinoma, investigate its antitumor effect and animal survival.

• 目的研究低剂量环磷酰胺(CTX)对肺癌肿瘤血管生成的影响,观察其抑瘤效果及对生存期影响。