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. 2013 Nov 18;99(2):E276–E285. doi: 10.1210/jc.2013-2503

Figure 1.

Figure 1.

Time trends in the age- and sex-adjusted prevalence (with 95% CI) of specific histopathologic types of PTC. A, Time trends for the most common types of PTC: classic papillary, follicular variant, and microcarcinoma defined as tumor ≤1 cm in size. B, Time trends for classic papillary and follicular variant of PTC irrespective of tumor size, ie, with microcarcinomas reclassified based on their growth pattern. C, Time trends for encapsulated and infiltrative types of the follicular variant of PTC (University of Pittsburgh Medical Center, 1974–2009).