Advice on excuses for CLL surgery

Edit Post

Hi, I'm planning on doing the surgery (femur 6 - 6.5 cm) later this year. I decided not to tell anyone that I'm doing this surgery (at least until I'm comfortable with it). So I'm thinking about telling my friends and co-workers that I'm doing a Meniscus repair surgery on both of my knees. To explain that
1) why it would be hard for me to walk after the surgery. And the rough timeline it takes to walk normally is around 3-6 month.
2) why I might have scars on my leg.
3) If anyone ask why I'm taller. I maybe could say that I'm doing PT and my bowed leg are fixed? Also I'm waring 1-1.5 inches lift right now. And after the surgery I would wear no lift to reduce the height difference.

Hope to get some advice on this. Is this a good excuse? Is there any better ones?

Edit Post

Thanks for all the replies!

I'm considering doing the surgery with doctor Paley. So possible Precice 2.2 or Precice MAX (hopefully) later this year. I hope to lengthen on femur for 6 - 6.5 cm. Also I'm in IT industry, so a few months of working remotely would be possible. I know it would be impossible to completely hide the fact that I did the surgery. But I hope to play it down so that I won't get too much attention on it.