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
Survival in unresectable GB ca is? 
Select and explain. 
A. 4-6 months, B. 8-10 months, C. 1 yr, D. 12-24 months
A: 4-6 months
Answer: A: 4-6 months 
Explanation: None