Interestingly a clear trend to a higher relative survival rate with radioiodine was observed, which gradually increased during follow up.
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Long-term relative survival with and without radioiodine in patients with low-risk thyroid cancer: a SEER based analysis of histologic subtypes and risk factors.
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The sentences
Previous database studies showed a trend towards higher long-term overall survival after radioiodine therapy even in low-risk patients.
Recently, an update of the 5-year results showed only a slight trend towards an increase in functional-, structural- or biological abnormalities in the no-radioiodine group compared with the 3-year results with an absolute margin of 2.4% (3-year follow-up: event rate: 4.4% (16/367), 5-year follow-up event rate: 6.8% (24/354)) [ 11 ].