Fig. 1From: Isolated pulmonary artery involvement in Takayasu arteritis: case report and review of the literatureA–D Pulmonary computed tomography angiography (CTA) images. E HRCT. A, D showing thick walls of both main PA and stenosis of both main PA lumen (red arrows). B Display severe stenosis of the left PA (red arrows). C Showing mild-to-moderate stenosis of the right PA (red arrows). (E) Display the mosaic sign of the left lung (red arrows)Back to article page