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
[{'content': 'A patient presents with fever for 3 weeks. On examination, he is observed to have splenomegaly. Ultrasonography reveals a hypoechoic shadow in spleen near the hilum. Gram-negative bacilli are isolated on blood culture. Which of the following is the most likely causative organism \nSelect and explain. \nA. Cytomegalovirus, B. Toxoplasmosis, C. Salmonella, D. Lymphoma virus', 'role': 'user'}, {'content': 'Answer: C \nExplanation: A hypoechoic mass seen in hilum is a splenic abscess which is due to the infected splenic embolus or in association with typhoid or paratyphoid fever which is caused by Salmonella typhi. Bailey and love&;s 24 th edition pg no.1088', 'role': 'assistant'}]