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Fig. 1C. —65-year-old man with 25-mm lung metastasis from leiomyosarcoma (patient 7 in Table 1). Diffusion-weighted image (B) and FLAIR image (C) of head obtained 20 hr after radiofrequency ablation show no new area of abnormal intensity and no evidence of acute stroke. High-intensity area in bilateral posterior periventricular white matter was present on preoperative MR image (not shown).