Objective To investigate the relation of vascular endothelial growth factor receptor 1 (VEGFR1)-positive hematopoietic progenitor cell with the metastasis of human colorectal carcinoma.

• 目的观察血管内皮生长因子受体1(VEGFR1)阳性造血祖细胞与人大肠癌转移的关系及机制。