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Box-and-whisker plots comparing the mean values of quantitative metrics for (A). Ktrans (min−1), (B). ve, and (C). vp estimated with the extended Tofts model from those papillary thyroid carcinoma (PTC) patients with extrathyroidal extension (ETE) and without extrathyroidal extension. Each box plot shows minimum, first quartile, median (black line), third quartile, and maximum values. Ktrans values between PTC patients with ETE and without ETE were significantly different (P=0.005).
