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: Medicine
[{'content': 'Pulmonary edema will be caused by all except: September 2007 \nSelect and explain. \nA. Mitral stenosis, B. Pulmonary emobolism, C. Pneumonia, D. COPD', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. D: COPD Causes include: Pneumonia Inhalation of toxins - such as chlorine, mustard gas, smoke Circulating toxins - such as histamine, septicaemia Disseminated intravascular coagulation Intravenous drug use like heroin hea failure: - Atrial, e.g. mitral stenosis - Ventricular, e.g. myocardial infarction, hypeension Pulmonary embolism, reperfusion IV fluid overload, e.g. from multiple blood transfusion Chest injury', 'role': 'assistant'}]