<prompt> Lymph node metastasis is least commonly seen with -Papillary Ca ThyroidMedullary Ca ThyroidFollicular Ca ThyroidAll of the above  <response>: Follicular Ca metastasizes primarily through the blood and Lymph node metastasis is quite rare.Lymph nodes are frequently involved in patients withPapillaryMedullaryHurthle cell carcinomas andAnaplastic 