Masectomy next week with ex panders

Hi last week was the first time I knew the surgeon was going to use expanders and it was the first time I saw them. Slightly concerned that some of you have found them so uncomfortable! is there anyone out there with a good experience of them? Will I need a letter for airport security?

I should imagine you won’t need a letter for airport security.Have 2 hip replacements,and you just have to be patted and have security check you.If you think about it,anyone could take a letter through.Have had expanders,It was fine,however had infection,so was removed.