DOI: 10.1177/2045894020907883 Dynamic vascular changes in CTEPH after pulmonary endarterectomy Running title: new vascular lesions after PEA Authors and affiliations Dieuwertje Ruigrok, MD 1 Natalia J. Braams, MD 1 Esther J. Nossent, MD 1 Peter I. Bonta, MD PhD 2 Anco Boonstra, MD PhD 1 Rutger J. Lely, MD 3 Frederikus A. Klok, MD PhD 4 Anton Vonk Noordegraaf, MD PhD 1 Petr Symersky, MD PhD 5 Harm-Jan Bogaard, MD PhD 1 Lilian J. Meijboom, MD PhD 3 1. Amsterdam UMC, Vrije Universiteit Amsterdam, Department of Pulmonary Medicine, Amsterdam, The Netherlands 2. Amsterdam UMC, University of Amsterdam, Department of Pulmonary Medicine, Amsterdam, The Netherlands 3. Amsterdam UMC, Vrije Universiteit Amsterdam, Department of Radiology and Nuclear Medicine, Amsterdam, The Netherlands 4. Leiden University Medical Center, Department of Thrombosis and Hemostasis, Leiden, The Netherlands 5. Amsterdam UMC, Vrije Universiteit Amsterdam, Department of Cardiothoracic Surgery, Amsterdam, The Netherlands