This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrine, Subject name: Pathology
Lymphatic spread most commonly seen in which type of thyroid carcinoma? 
Select and explain. 
A. Papillary, B. Medullary, C. Follicular, D. Lymphoma
A: Papillary
Answer: A: Papillary 
Explanation: Ans. (a) Papillary(Ref: Robbins 9th/pg 1097-1098)Thyroid carinoma typeRoute of spreadPapillaryLymphaticFollicularHematogenousMedullaryRegional lymphatic spread and hematogeneous routes to distant sitesAnaplasticDirect