While you don’t always get a warning sign that your breast cancer has spread, it’s helpful to be aware of the symptoms. In some instances, early detection can prevent worse side effects. Also, consider metastatic breast cancer risk factors, which differ in some ways from risk factors for breast cancer of an earlier stage.
The most common areas to which breast cancer metastasizes are the bones, the lungs, the liver, and the brain. Here’s a look at the symptoms associated with each.