This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T, 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: The disease has a very poor prognosis with the median survival less than 6 months and a 5 year survival of 5%. Reference:Bailey & Love's sho practise of surgery,25th edition,page no:1129.