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Figure 3: (a-f) Magnetic resonance images during follow-up of a 43-year-old man with liver metastases from a choroidal melanoma. One month after microwave ablation, the lesion exhibited a high signal was completely covered by the ablation zone on post-contrast images (a, arrow). During follow-up, the lesion inside the ablation zone did not increase in size after 7 months (b, arrow). One month after microwave ablation, the lesion that exhibited a high signal was not covered by the ablation zone (c, arrow) on post-contrast images. Four months later, the tumor size increased (d, arrow). 7 months later, the tumor size continued increasing (e, arrow). A biopsy was performed for this lesion, and pathology confirmed the tumor (f)

Figure 3: (a-f) Magnetic resonance images during follow-up of a 43-year-old man with liver metastases from a choroidal melanoma. One month after microwave ablation, the lesion exhibited a high signal was completely covered by the ablation zone on post-contrast images (a, arrow). During follow-up, the lesion inside the ablation zone did not increase in size after 7 months (b, arrow). One month after microwave ablation, the lesion that exhibited a high signal was not covered by the ablation zone (c, arrow) on post-contrast images. Four months later, the tumor size increased (d, arrow). 7 months later, the tumor size continued increasing (e, arrow). A biopsy was performed for this lesion, and pathology confirmed the tumor (f)