Materials and Methods Of 787 angiography in patients with hepatic cancer, 37 showed hepatic arterial occlusion.The origin and frequency of the collaterals in the 37 cases were observed and analyzed.

• 材料与方法观察和统计787例肝癌血管造影中见到的37例肝动脉狭窄闭塞者肝外侧支血管的部位及其发生率。