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: ENT
Isshiki thyroplasty type I is - 
Select and explain. 
A. Lateralization of the vocal cord, B. Medialization of the vocal cord, C. Shortening of the vocal cord, D. Lengthening of the vocal cord
B: Medialization of the vocal cord
Answer: B: Medialization of the vocal cord 
Explanation: None