Figure 1 | Scientific Reports

Figure 1

From: Factors influencing extrathyroidal extension of papillary thyroid cancer and evaluation of ultrasonography for its diagnosis: a retrospective analysis

Figure 1

Box-and-whisker plot showing the distribution of longest tumour diameter in the three groups according to the extent of extrathyroidal extension (ETE) (P < 0.001). 1, Group 1 included patients with tumours confined to the thyroid. 2, Group 2 included patients with minor ETE. 3, Group 3 included patients with gross ETE.

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