Vlček, Petr: Komentář k oběma článkům: Menzel Ch., Grunwald F., Biersack H. J.: Letter to the editor: Monitoring of low-risk patients with papillary thyroid carcinoma a Fasemi S., LoPresti J. S.: Letter to the editor: A consensus treport of the role of serum thyroglobulin as a monitoring method for low-risk patients with papillary thyroid carcinoma