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. 2015 Feb;4(1):52–62. doi: 10.3978/j.issn.2227-684X.2014.12.06

Table 1. Frequency of PTC recurrence according to ATA recurrence risk classification (biochemical and structural).

Risk classification frequency by % of patient group Structural disease, % Elevated Tg, % Total recurrence, %
Low, 25% 3 11 14
Intermediate, 50% 21 22 43
High, 25% 68 18 86

PTC, papillary thyroid cancer; ATA, American Thyroid Association; Tg, thyroglobulin.