Low Intratumoral CD200 Protein Expression in Primary Merkel Cell Carcinoma Is a Strong Predictor for Disease Relapse. - Gambichler, Thilo; Girke, Sophia; Abu Rached, Nessr; Susok, Laura; Becker, Jürgen C.; Schulze, Hans-Joachim; Hirsch, Tobias; Kückelhaus, Maximilian; Wellenbrock, Sascha (Cancers, 2025)