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: Medicine
An 18 yr old male presents with massive hematemesis; he has history of fever for the past 14 days for which he was managed with drugs; moderate splenomegaly is present; diagnosis is: 
Select and explain. 
A. NSAID induced duodenal ulcer, B. Drug induced gastritis, C. Esophageal varices, D. None of the above.
C: Esophageal varices
Answer: C: Esophageal varices 
Explanation: Answer is C (Esophageal varices) Presence of massive haematemesis in the background of moderate splenomegaly suggests a diagnosis of esophageal varices secondary to poal hypeension. Esophageal varices : Most common presentation of esophageal varices is Hematemesis. 'Splenomegaly, sometimes with hipersplenism, is the next most common presenting feature in the poal vein obstruction.'