It's common to find lumps and bumps on all types of dogs. Growths, tumors, cysts, and masses can appear on dogs at any age, but they are among the most common health issues seen in older dogs.

Jane’s question: I adopted an adult dog who is about 6 years old and has some lumps and bumps on her body. She has a what appears to be a cyst on her forehead and also hard lumps near her nipples.