@rmbinsb Don’t blame yourself, you did everything you could. You also gave her a loving home and life. You also gave her a kind and loving send off. The sad thing is they cannot tell us when in pain or feeling unwell. Dogs are troopers and often don’t show signs early on.
Our last dog had nasal cancer, it was very slow growth and only showed up till it gave him a tooth abscess.
By that point had taken over half of his skull and upper jaw, but it was only visible by CT scan. Two years prior he did a bit of snuffling his nose and sneezing one day, I even have a video of it as he looked so cute doing it. We thought it was because we’d mowed the lawn and he’d been chasing the mower. It literally lasted one day. But we now know that was most likely the cancer irritating his nose.
I blamed myself at the time, but even if we’d have taken him to the vets they would never have suggested a CT for one day of sneezing.
Be kind to yourself, you were a good dog parent x
Edit: just to further my comment. His bloods never at any time showed any cancer markers. It was only a biopsy taken as his wound wasn’t healing that initially showed it. Even then the vet was running a biopsy for bacteria and ran a cancer one as precaution. His X-ray didn’t show it either.
So even with a head full of cancer things can clinically be hidden.