title: Commentary: A Metabolic Immune Checkpoint: Adenosine in Tumor Microenvironment.
authors.affiliation: Department of Radiooncology and Radiotherapy, Klinikum rechts der Isar, Technische Universität München (TUM) , Munich , Germany.
authors.forename: Peter
authors.initials: P
authors.lastname: Vaupel
authors.affiliation: Department of Radiooncology and Radiotherapy, Klinikum rechts der Isar, Technische Universität München (TUM) , Munich , Germany.
authors.forename: Gabriele
authors.initials: G
authors.lastname: Multhoff
keywords: VEGF; adenosine; antitumor immunity; phosphatidylserine; radiotherapy