This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General pathology, Subject name: Pathology
TSG mutated in familial gastric ca 
Select and explain. 
A. APC, B. CDKN2A, C. E-cadherin, D. PTEN
C: E-cadherin
Answer: C: E-cadherin 
Explanation: .