Beta-2-microglobulin Mutations Are Linked to a Distinct Metastatic Pattern and a Favorable Outcome in Microsatellite-Unstable Stage IV Gastrointestinal Cancers oleh Elena Busch, Aysel Ahadova, Kosima Kosmalla, Lena Bohaumilitzky, Pauline L. Pfuderer, Alexej Ballhausen, Johannes Witt, Jan-Niklas Wittemann, Hendrik Bläker, Elke Holinski-Feder, Elke Holinski-Feder, Dirk Jäger, Dirk Jäger, Magnus von Knebel Doeberitz, Georg Martin Haag, Matthias Kloor