Can you amputate a hamsters leg?

Yes, four legs.

No, only in very rare cases. The shock of loosing a limb would be enough to kill them.

take it to the vets...

This may be a sore, type of cancer, or a tumor! You must go to a vet as soon as you can!!!

four.what country do u come from because that is an entirely easy quitston and u didnt know the answer