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skos:definition |
MSH: Pathological process resulting in the fibrous obstruction of the small- and medium-sized PULMONARY VEINS and PULMONARY HYPERTENSION. Veno-occlusion can arise from fibrous proliferation of the VASCULAR INTIMA and VASCULAR MEDIA; THROMBOSIS; or a combination of both.,NCI: A disorder characterized by pulmonary venous constriction or occlusion, resulting in pulmonary hypertension.
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