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) Sarcoidosisb) Sillicosisc) Lung Cad) pneumoconiosise) Lymphoma following radiation treatment 
Select and explain. 
A. abde, B. bcde, C. acde, D. ade
A: abde
Answer: A: abde 
Explanation: None