Impact of Advanced Age on the Clinical Presentation and Outcome of Sporadic Medullary Thyroid Carcinoma.

Furthermore, when dividing the age at diagnosis in quartiles (≤43 yrs, 44–54 yrs, 55–63 yrs and ≥64 yrs), the Kaplan-Meier survival curves continued to show a slightly significant difference among the groups ( p = 0.049) ( Figure 2 ).

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