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. Author manuscript; available in PMC: 2011 Oct 1.
Published in final edited form as: Am J Surg. 2010 Jun 18;200(4):454–461. doi: 10.1016/j.amjsurg.2009.11.008

Figure 4. Trends in the incidence of WDTC by adverse pathologic features.

Figure 4

(a) Joinpoint regression of incidence trends in (a) cancers without extrathyroidal extension, (b) cancers with extrathyroidal extension, (c) cancers without cervical metastases (in patients >45 years old), and (d) cancers with cervical metastases (in patients >45 years old).