As presented in Table 3, parameters including age at diagnosis, sex, year of diagnosis, comorbidities, basal calcitonin level, basal CEA level, patients who underwent FNA-CT, FNA-CT value, tumor size, tumor extension, tumor multifocality, and initial surgical approach were comparable between patients with an excellent response and those with a biochemical incomplete response. The gene discussed is CALCA; the disease is neoplasm.