annthoracmed_2017_12_2_61_203742_f2

Chest X-ray in a patient with idiopathic pulmonary arterial hypertension. (a) Posteroanterior projection showing dilated pulmonary arteries (stars), cardiomegaly (horizontal line), and rapid tapering (pruning) of right pulmonary artery (arrow). In addition, there is a decrease in the pulmonary vasculature in the periphery of the lung (arrow). (b) Lateral projection depicting a decrease in the retrosternal air space (arrow) | Gentry, S., & Gentry, B. (2017). Chronic Obstructive Pulmonary Disease: Diagnosis and Management. American Family Physician, 95(7), 433–441. Retrieved from https://www.ncbi.nlm.nih.gov/pubmed/28409593

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