This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: FMGE 2018, Subject name: Medicine
[{'content': 'In good pasture syndrome, which organ is involved apa from lung? \nSelect and explain. \nA. Kidney, B. Liver, C. Spleen, D. Hea', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Goodpasture Syndrome - Type 2 HSN, Ab against anti - GBM Ab. Lung (Hemoptysis) and Kidney (Hematuria) MC involved organs. Treatment - Steroid', 'role': 'assistant'}]