Ohba et al. measured the serum concentrations of IL-1β, IL-2, IL-4, IL-6, TNF-α, and hepatocyte growth factor (HGF) in series before and after RT in a patient with hepatocellular carcinoma who presented AbE ten months after the irradiation of a thoracic vertebral metastasis. Here, IL6 is linked to hepatocellular carcinoma.