Moreover, we report a patient with bilateral FTC, with the carcinoma on the right lobe harboring biallelic DICER1 alterations (p.G661Vfs*24, p.E1813K) while the carcinoma on the left lobe was DICER1-wt (Figure 1E). The gene discussed is DICER1; the disease is thyroid cancer, nonmedullary, 2.