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: Psychiatry
[{'content': 'A patient has a fear that his penis will retract into abdomen and  that may result in his death. Diagnosis \nSelect and explain. \nA. Koro, B. Latah, C. Dhat syndrome, D. Cotard syndrome', 'role': 'user'}, {'content': 'Answer: A \nExplanation: It is a culture bound delusional disorder where a person believes his sex organs retract, disappear & lead to death.', 'role': 'assistant'}]