Offer of the anti- tumor medicine in order to remedy the cancer patient who is estimated that the possibility of showing the curative effect whose method and the particular chemotherapy which estimate the curative effect of the chemotherapy in the liver cell cancer patient who liver artery plug technique is healed are sufficient is high. The anti- tumor medicine in order to remedy the cancer patient who is estimated that the possibility of showing the curative effect with the method of estimating the curative effect of the chemotherapy in the liver cell cancer patient who the liver artery plug technique which designates the revelation quantity of PDGF BB or IL 8 as index is healed and the method of estimating particularly is high.肝動脈塞栓術を施術された肝細胞癌患者における化学療法の治療効果を予測する方法および当該化学療法が十分な治療効果を示す可能性が高いと予測された癌患者を治療するための抗腫瘍剤の提供。PDGF-BB又はIL-8の発現量を指標とする肝動脈塞栓術を施術された肝細胞癌患者における化学療法の治療効果を予測する方法および当該予測する方法により治療効果を示す可能性が高いと予測された癌患者を治療するための抗腫瘍剤。