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
Miliary shadow on chest X-ray is not seen in: March 2010 
Select and explain. 
A. Pneumoconiosis, B. Sarcoidosis, C. Tuberculosis, D. COPD
D: COPD
Answer: D: COPD 
Explanation: Ans. D: COPD Conditions producing miliary shadows on chest X-ray: Sarcoidosis Silicosis/pneumoconiosis Extrinsic allergic alveolitis Langerhans cell histiocytosis Lymphangitis carcinomatosis Miliary tuberculosis Metastases