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
Hot nodule is seen in: 
Select and explain. 
A. Adenolymphoma, B. Mixed parotid, C. Adenocystic carcinoma, D. All
A: Adenolymphoma
Answer: A: Adenolymphoma 
Explanation: Ans. Adenolymphoma