<prompt> All the following statements about Thyroid carcinoma are true, except:Thyroid lymphoma is often associated with hashimotos thyroiditisPapillary ca is multifocalMedullary ca is associated with MEN2aFollicular carcinoma spreads mainly by lymphatic  <response>: Major spread of follicular carcinoma is through blood, papillary carcinoma through lymphatics. Ref: Harrisons, 18th Edition, Page 2436 