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: Pathology
[{'content': 'Which one of the following marker is useful in differentiating between mesothelioma and adenocarcinoma. \nSelect and explain. \nA. CEA, B. Cytokeratin, C. Calretinin, D. TTF', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Calretinin > Cytokeratin\n(5/6. because here only cytokeratin is used not 5/6)\n\nBest positive mesothelioma markers - Calretinin, CKS and CK 5/6.\nBest positive lung adenocarcinoma markers - TTF 1 and Napsin.', 'role': 'assistant'}]