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': 'End stage Lung disease seen in - \nSelect and explain. \nA. Sarcoidosis, B. Interstitial lung disease, C. Langerhans cell histiocytosis, D. All', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'a' i.e., Sarcoidosis; 'b' i.e., Interstitia lung disease; 'c' i.e., Langerhan's cell histiocytosis End-stage lung disease o When the lung can no longer keep the blood supplied with oxygen it is referred to as end-stage lung disease. o Causes of end stage lung disease - ARDS Pulmonary circulatory diseases Tuberculosis Cystic fibrosis Pneumoconiosis (Asbestosis and others) COPD (emphysema, chronic bronchitis) Interstitial lung diseases (e.g. sarcoidosis) o Pulmonary Langerhans cell histiocytosis is a progressive disease, and leads to endstage lung disease.", 'role': 'assistant'}]