<prompt> Most common thyroid malignancy isAnaplastic carcinomaFollicular carcinomaMedullary carcinomaPapillary carcinoma  <response>: Malignancy Relative incidencePapillary carcinoma 80Follicular carcinoma 10Poorly differentiatedanaplastic carcinoma 5Medullary carcinoma 2.5Lymphoma 2.5Ref: Bailey and love, page no: 816 