It is possible that bone cancer may cause a lump on the foot, although this is rare. It is more common for a tumor in the foot to be benign. Cancer can develop when cells in the body start to grow out ...

Why Do I Have a Bump on the Top of My Foot? An injury, corns, callouses, cysts, or other health conditions can cause a bump on your foot. They can be painful and make walking difficult, but there are ...