Neoadjuvant transcatheter arterial chemoembolization and systemic chemotherapy for the treatment of undifferentiated embryonal sarcoma of the liver in children

Figure 1 Transcatheter arterial chemoembolization procedure of case 6. A: The catheter was introduced into the tumor-feeding artery and performed angiography, showing the stereoscopic configuration of "holding ball"; B: After injection of anticarcinogen and lipiodol, the outline of the entire tumor was revealed.