which is not the common cause of leukocoria in children A: melanoma B: Cataract C: Coats disease D: Persistent fetal vasculature
which is not the common cause of leukocoria in children A: melanoma B: Cataract C: Coats disease D: Persistent fetal vasculature
A 68=year-old man，with chronic cough and sputum production for 17 years，had felt a progressive dyspnea slnce 3 years. His chest X-ray film showed overinflation of lungs and descended diaphragms. The peripheral vasculature of the lungs was diminished. Which dis-ease the patient suffered from most possibly（）
A 68=year-old man，with chronic cough and sputum production for 17 years，had felt a progressive dyspnea slnce 3 years. His chest X-ray film showed overinflation of lungs and descended diaphragms. The peripheral vasculature of the lungs was diminished. Which dis-ease the patient suffered from most possibly（）
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