Oh dear. I don't know if I wrote this earlier or just thought about it, but Pooter had squamous cell carcinoma maybe 9 years ago. Luckily her's was in a much more accessible spot (she had a little sore right below her eye) and they were able to remove it easily, and she was fine for years after. In that sense, it's a good kind of tumor to get.

Spike is an amazing and resilient dog. Hugs to you both.