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
Which of the following markers is specific for gastro intestinal stromal /tumors (GIST)?
assistant
The correct answer is  Marker in GIST CD117-( c-kit)- 95% CD34-70% Smooth muscle Actin-5%