Innovative Trial Design to Directly Measure Microvascular Functional Effects of Inhaled Therapy at the Capillary level of Pulmonary Hypertension Patients with Interstitial Lung Disease (PH-ILD) Cardiopulmonary System Xenon MRI is the only imaging modality that specifically probes the smallest part of the heart–lung vascular circuit, the pulmonary capillaries. DURHAM, NC and LONDON, Jan. 20, 2026 (GLOBE NEWSWIRE) -- Polarean, a commercial-stage medical imaging company advancing functional MRI of the lungs ...