NCPB. A: Male, aged 64 years old, had the retroperitoneal lymph node metastasis of liver cancer, and exhibited the persistent upper abdominal pain. B: CT-guided needle punctured through the vena cava and portal vein and reached the lesion, then about 30 ml mixture of lipiodol and 99.5% ethanol (ratio 1:9) was injected. C: The postoperative 2-month CT recheck showed that the lipiodol deposited in the lymph nodes well, without the residual disease. The pain was completely remitted without taking the pain medication.