This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
[{'content': 'Tumors associated with organisms are all except \nSelect and explain. \nA. Hepatocellular cancer, B. Non small cell carcinoma of lung, C. Gastric cancer, D. Nasopharyngeal cancer', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ref Robbins 8/e p277; 878,9/e p325_329 Cancers associated with infectious agents Chronic cholestystitis _ gallbladder cancer ,caused by bacteria and gall stones Gastritis / ulcers _ gastric adenocarcinoma ,MALT _ caused by helicobacter pylori Hepatitis _ hepatocellular carcinoma_ hepatitis B and C virus Mononucleosis _ B cell and non Hodgkin's lymphoma , Hodgkin's lymphoma, nasopharyngeal carcinoma_ caused by Ebstein Barr virus AIDS _ associated with non Hodgkin's lymphoma,squamous cell carcinoma, kaposi's sarcoma _ caused by HIV,HSV type 8 Osteomyelitis_ carcinoma in draining sinuses_ bacterial infection Chronic cystitis _bladder,liver,rectal carcinoma_caused by shistosomiasis", 'role': 'assistant'}]