I'm genuinely not trying to be awkward, Caran, but I don't understand the 'NHS problems' title to your post. Have you been told that there's a very long waiting list or are you worried that NHS cancer services might be restricted due to Covid? (If it's the latter, I can assure you, from personal experience, that the vast majority of cancer treatments have been going ahead normally).
If you're simply looking for some information, the following two links might help:
This first link is about melanoma, which is the more serious form of skin cancer (but it also far less common, so don't start panicking!):
https://www.nhs.uk/conditions/melanoma-skin-cancer/
This is about the far more common form of skin cancer:
https://www.nhs.uk/conditions/non-melanoma-skin-cancer/
It's never nice to hear the C-word from a doctor but, for the vast majority of people, it's definitely not necessarily something to 'get in a state' about. I was told that I'd got incurable cancer just over a year ago but, to the great annoyance of many I expect, I'm still here ;-)