RET Codon Thyroidectomy Phenotype 883, 918 within first 6 months MEN 2B 609, 611, 618, 620, 630, or 634 within first 5 years MEN 2A 768, 790, 804, or 891 within 5 - 10 years FMTC aGuidelines from 7th International Workshop on MEN2. [20]

Table 1: RET mutation guided therapy for surgical removal of the thyroida.