Pulmonary Parenchymal 18F-FDG Uptake on PET/MRI in Pulmonary Arterial Hypertension: A Comparative Study with Healthy Controls and Prognostic Implications - Remigiusz Kazimierczyk; Piotr M. Szumowski; Stephan G. Nekolla; Łukasz Małek; Piotr Błaszczak; Marta Kosciuk; Janusz Mysliwiec; Karol A. Kaminski (Journal of Clinical Medicine, 2026)