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: Radiology
Popcorn calcification is characteristically seen in 
Select and explain. 
A. TB, B. Metastasis, C. Fungal invagination, D. All
D: All
Answer: D: All 
Explanation: A, B, C i.e. Sarcoidosis, Silicosis, Pneumoconiosis, Lymphoma following radiation treatment