This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology and breast, Subject name: Surgery
Which of the following is the most common cancer of thyroid 
Select and explain. 
A. Anaplastic carcinoma, B. Follicular carcinoma, C. Papillary carcinoma, D. Medullary carcinoma
C: Papillary carcinoma
Answer: C: Papillary carcinoma 
Explanation: Papillary carcinoma is the most common malignancy of thyroid, accounts to 70-80% of all thyroid malignancies. It has the best prognosis of all thyroid cancers. Source : Sabiston 20th edition pg : 900