BackgroundDespite a wealth of real-world data on metastatic breast cancer (mBC). insights into the lived experience are lacking. This study aimed to explore how the lived experience of mBC is described on social media. MethodsA predefined search string identified posts relevant to the lived experience of mBC from Twitter. https://www.diegojavierfares.com/mega-super-Peach-May-Pride-limited-choice/