When you get an injury to a bone like a metatarsal stress fracture, you can develop a thing called a "bone callus."

You might even see it as a lump visible on the x-ray in your doctors office.

Whether the lump is made up of hard bone, fibrocartilage or something in between, it may help you to understand the significance of that lump in your foot.

When the bone callous appears, and the size of the bone callous itself, can tell your whole lot about your progression of healing, and whether or not you might get other problems in the future.

What is a bone callus in a metatarsal stress fracture? Well, that's what we're talking about today on the Doc On The Run Podcast!