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
The most common presentation of endemic goiter is - 
Select and explain. 
A. Hypothyroid, B. Diffuse goiter, C. Hyperthyroid, D. Solitary nodule
B: Diffuse goiter
Answer: B: Diffuse goiter 
Explanation: None