Sorry for being rude, you did not mention once in your op that you couldn't find a vet, just said your not sure if you should take it. My daughter had two pet rats almost three years old. Both got tumors, my vet said wait to see if they died of old age before the tumors got bad. Well they didn't, and when it came down to it, I called 7 vets and none of them would actually treat them, I finally found one that didn't treat rats, but would put them to sleep for me, so thats the route I had to take.
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