<prompt> Most common histological type of the thyroid carcinoma isMedullary typeFollicular typePapillary typeAnaplastic type  <response>: Papillary thyroid cancer is the most common cancer. Occurs in 70-80 of patients diagnosed with thyroid cancer. Common in females and younger age group. According to Woolners Classification there are 3 types. 1Occult primaryless than 1.5cm 2 Intrathyroidal 3 Extrathyroidal Reference: SRBs Manual of Surgery, 6th Edition, page no 468. 