The Merkel Cell Carcinoma Collaborative (MC3) Institute hosted the 2025 Merkel CELLebration Dinner on Monday, Sept. 15, 2025, at the UW Medicine South Lake Union biomedical research campus in Seattle. Please enjoy this presentation of scientific and clinical updates. 0:00:00 - Introduction 0:02:42 - Overview & Highlights 0:08:08- Celebrations 0:18:40 - MC3 Institute Highlights 0:25:10 - Patient Story #1 0:31:20 - Science Update: "Visualizing" MCC 0:37:44 - Patient Story #2 0:43:39 - Gut Microbiome & MCC 0:52:43 - Clinical Trials