This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Intestinal Polyps, Colon & Anal Cancer, Subject name: Pathology
[{'content': 'Increase urine levels of 5-HIAA is associated with which condition? \nSelect and explain. \nA. Liver Cirrhosis, B. Papillary carcinoma of the Thyroid, C. Carcinoid tumor, D. Small cell carcinoma of the lung', 'role': 'user'}, {'content': 'Answer: C \nExplanation: CARCINOID TUMOR/ Neuroendocrine tumors Arising from enterochromaffin / neuroendocrine cells of respiratory/ gastrointestinal tracts Resulting in over production of Serotonin .', 'role': 'assistant'}]