Brain Mets Basics for NSCLC: What Are Brain Metastases and How Do We Treat Them?
Read time: 2 minutes. Brain metastases (also called brain mets) develop when cancer from somewhere else in the body spreads to the brain. Over time, tumors can become metastatic (travel to other parts of the body). When lung cancer travels to the brain, it requires specialized treatments that can cross the blood-brain barrier. The blood-brain barrier is a tight network of blood vessels and tissue that allows some substances, such as oxygen and water, into the brain while protecting it from potentially harmful substances—including some anticancer drugs. Often, different types of lung cancer