1、Transcatheter Arterial Chemoembolization,Hepatocellular carcinoma precise therapy,precise transarterial chemoembolization ablation：microwave ablation，radio-frequency ablation，laser ablation，High Intensity Focused Ultrasound (HIFU)cryo-ablation ethanol ablation，acetic acid ablationradioactive particl
2、eIndividual combined therapy principle：,Background Precise TACE,TACE -the most mature and effective treatment methods for non-surgical treatment HCC. The quality of TACE effect were not only associated with the tumor vessels embolization but also associated with full showing extrahepatic parasitic a
3、rtery and precise TACE. Omental artery (OA) - one of rare extrahepatic parasitic artery supplying HCC.,Abdominal enhanced CT ：the edge of the tumor arterial thickening, strongly indicate the presence of parasitic OA blood vessel.,Use of microcatheterTACE,Use of microcatheterTACE,Use of micro-cathete
4、rfirst TACE,Use of micro-catheter2nd TACE-OA branches involved in blood supply-,Use of microcatheterOAs TACE,Use of microcatheter KUB after OAs TACE,Discussion-5 OA Too Fine,OA was too fine, superselective catheterization was failure (black arrow), there gastroduodenal drainage vein in the immediate cessation of embolization (white arrow),
