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
Egg shell calcification is seen in – a) Bronchiolitisb) Silicosisc) Ca. bronchusd) Sarcoidosise) Histoplasmosis 
Select and explain. 
A. abc, B. bde, C. ace, D. bce
B: bde
Answer: B: bde 
Explanation: None