My hamster Gabe has been developing a penny-sized pinkish red bump on his left side, by his rib cage. It is hard and hairless but it doesn't seem to hurt him when I touch it. He eats Fiesta food with a variety of fresh veggies, fruits, and grains. Please note that Gabe was rescued when he was about 3 months old. A neighbor, who knew I liked animals, called me one day when he found a small white and brown hamster wondering his yard.
I've had Gabe for a little over a year. I've rescued other hamsters before but they didn't have problems like this. Do you think it could be something he got when he was not in my care?
Can someone tell me what this bump might be?
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