<prompt> Most common type of Thyroid carcinoma isPapillaryFollicularMedullaryAnaplastic  <response>: Papillary Histology type Incidence Papillary 80, Follicular 10, Medullary 5, Anaplastic 1 Papillary carcinoma thyroid Frequently asked facts a. Commonest carcinoma of thyroid gland 80 b. Commonest carcinoma in iodine sufficient area. c. More common in patients with previous exposure to radiation past childhood d. Commonest age 30-40 year. e. Multifocal more common f. Lymph node metastases more common i.e., lymphatic spread g. Distant metastasis uncommon commonest site - lung followed by bone, liver, brain. h. Prognosis excellent - 10 years survival 95 