This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
Papillary carcinoma thyroid:
a. Most common thyroid cancer
b. Psammoma bodies seen
c. Encapsulated
d. Blood borne metastasis is common 
Select and explain. 
A. ab, B. bc, C. cd, D. da
B: bc
Answer: B: bc 
Explanation: Most common thyroid cancer; b. Psammoma bodies seen; c. Encapsulated.