This article, titled "Pulmonary sequestration with feeding arterial pseudoaneurysm," discusses a case of a 36-year-old man with familial hypertension who presented with distending pain in the left chest. The patient had been previously diagnosed with pulmonary sequestration based on CT findings. A contrast-enhanced MSCT scan revealed that the patient had a pulmonary sequestration feeding arterial pseudoaneurysm, which was complicated by thrombus and local rupture. The article provides additional supplementary material and declares the availability of image data. The authors are affiliated with the Department of Radiology at The First Hospital of JiLin University in China. [Extracted from the article]