BALB/c nude mice carrying patient-derived medullary thyroid cancer (GOT2) were treated with the presented amounts and schedules of external beam radiotherapy (EBRT) and/or tyrosine kinase inhibitors (TKIs) vandetanib (Vand) or cabozantinib (Cabo), or a mock-treatment vehicle (solvent for vandetanib/cabozantinib). The gene discussed is GOT2; the disease is medullary thyroid gland carcinoma.