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
Earliest radiological feature in rheumatoid ahritis is: 
Select and explain. 
A. Decreased joint space, B. Juxta aicular osteoporosis, C. Periaicular soft tissue swelling, D. Suhchondral erosions
C: Periaicular soft tissue swelling
Answer: C: Periaicular soft tissue swelling 
Explanation: Ans. Periaicular soft tissue swelling