I had circumcision two months ago. How long will it take for the swelling to subside?

https://www.icliniq.com/qa/circumcision-of-penis/i-had-circumcision-two-months-ago-how-long-will-it-take-for-the-swelling-to-subside

I had circumcision two months ago and still has some swelling. Should I be concerned?