Social media star Sydney Towle died at 26. She helped define a new generation of young cancer influencers.

Sydney Towle, who walked the Chemo Club x Post Swim runway show during Miami Swim Week, died at 26 from a rare bile duct cancer. Thomas Concordia/Getty Images for Miami Swim Week: The Shows Sydney Towle died on August 5 from cholangiocarcinoma, a rare bile duct cancer, at 26. Towle was 23 when she was diagnosed and documented her experience on TikTok and Instagram. She represented a new era of young cancer patients sharing their stories online to raise awareness. Sydney Towle, 26, died on…