system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Type 1 thyroplasty is true
assistant
The correct answer is  Medialisation of vocal cord, used in unilateral complete vocal palsy.
4 types of Thyroplaty.

p - Type 1 - Proximalisation / medialise of VC in u/c complete palsy.
La - Type 2 - Lateralisation of VC.
S - type 3 - shortening of UC / relaxing of UC, used in puberophonia .
Ty - type 4 - Tightening of VC used in androphonia[Female with low pitch voice.