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Figure 2: A 57-year-old male patient with colorectal liver metastases located in the segment VIII, which was treated with radiofrequency ablation after transcatheter arterial chemoembolization. (a) Axial and coronal nonenhanced computed tomography images showed the mass abutting the diaphragm, in which accumulated lipiodol deposit was clearly seen. (b) Intraoperative computed tomography scan shows 2 electrodes passed through the lung tissue sequentially. (c) Nonenhanced postprocedure computed tomography scan demonstrates hypoattenuated ablated zone surrounding the lipiodol deposit

Figure 2: A 57-year-old male patient with colorectal liver metastases located in the segment VIII, which was treated with radiofrequency ablation after transcatheter arterial chemoembolization. (a) Axial and coronal nonenhanced computed tomography images showed the mass abutting the diaphragm, in which accumulated lipiodol deposit was clearly seen. (b) Intraoperative computed tomography scan shows 2 electrodes passed through the lung tissue sequentially. (c) Nonenhanced postprocedure computed tomography scan demonstrates hypoattenuated ablated zone surrounding the lipiodol deposit