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.
There are four main areas in which breast cancer tends to metastasize: the bones, the liver, the lungs, and the brain. Here’s a look at the symptoms associated with each.