As you get older, it’s not uncommon to notice large, twisty veins forming on your legs. According to the Society for Vascular Surgery, as many as 40 million Americans have what are known as varicose ...

School of Pharmacy, Shandong New Drug Loading & Release Technology and Preparation Engineering Laboratory, Binzhou Medical University, 346 Guanhai Road, Yantai 264003, P. R. China ...

HA: Hepatic artery; PV: Portal vein. • T1: Tumor confined to the bile ... venous and biliary anatomy in relation to the tumor. R0 resection is of utmost importance and has been linked to ...