These are benign, meaning not cancerous. Fewer than half of lumps and bumps you find on a dog are malignant, or cancerous. Still, they can look the same from the outside, so it’s hard to tell.

What isn't routine is for that shedding to result in noticeable bald spots on your dog. Why do dogs sometimes ... the constant pressure tends to thicken the skin, the hair falls out, and calluses ...