We are accustomed to considering the pain of a tattoo as an inevitable price for beautiful body art. But for 24-year-old Skyler Jordan Lynn from Wilkes-Barre, Pennsylvania, it was precisely the sharp pain that became an alarm signal, saving her from a serious injury. The story of the girl whose butterfly tattoo on her right ankle led to the discovery of a tumor went viral on social media and made people think about the connection between invasive procedures and hidden diseases.