lump in leg

Hello, I’m new to this lair. I got my Sphynx about 2 months ago and he got his last round of boosters a few weeks ago. I now noticed a lump in his leg, where I believe the injection was, but I’m not entirely sure which leg he had the injection on. The lump is about a Penny size, so I’m extremely...

Hi all, Has anyone got any knowledge of movable lumps with your babies? Im so worried about Church! He’s got a vets visit next week (earliest they can see him) im Beside myself with worry, he will be 8 this year

Akira has one of these lumps on the back of her thigh on both back legs. One side is slightly bigger than the other. They are visible when she's standing as a small bump on the back of her leg and I can't feel them in my furred cat. It's fairly mobile and feels for all the world like a cyst or...