Morphological characteristics of liver tumors in HCC patients with PVT - Ultrasound: most tumor (68.3%) located in right lobe, 22.8% of tumor located in both lobes, 8.9% of tumor located in left lobe; 52.5% of only one tumor, 27.7% of over 3 tumors; high-level angiogenesis in tumor was 37.6%, medium-level angiogenesis was 23.8%, low-level angiogenesis was 29.7%, no angiogenesis was 8.9%; Hyperechogenicity is 55.4%, hypoechogenicity is 18.8%, mixed echogenicity of 25.7%; mean size of tumor was 9.61 ± 3.37 cm.