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
A 40 year male presents with hematemesis. On examination his BP was 90/60 mmHg and Hea Rate was 120/min. Splenomegaly was also present. The most probable cause of his bleeding is: 
Select and explain. 
A. Poal Hypeension, B. Gastric ulcer, C. Duodenal ulcer, D. Drug-induced GI injury
A: Poal Hypeension
Answer: A: Poal Hypeension 
Explanation: Ans is 'a' i.e. Poal hypeension Among the given options, splenomegaly is most likely to be associated with Poal hypeension.