This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology, Subject name: Pathology
Lymphatic spread is the most common route in which of the following thyroid carcinoma 
Select and explain. 
A. Papillary, B. Follicular, C. Medullary, D. Anaplastic
A: Papillary
Answer: A: Papillary 
Explanation: Lymphatic spread is commonest route for spreading of Papillary carcinoma and least for Follicular carcinoma.