Case 14 An 18-year-old with cough and chest pain. (A) On an anteroposterior view of the chest, the right lung is smaller than the left, and the heart and mediastinum are shifted to the right (asterisk). Additionally, the right hilar shadow is diminutive. (B) On an axial contrasted computed tomography (CT) image, the right hemithorax is smaller than the left, and the right pulmonary artery is not seen. Additionally, multiple small, enhancing vessels surround the right main bronchus (arrows). • Congenital absence of the right pulmonary artery:

Clinical Presentation
Further Work-up

Imaging Findings

Differential Diagnosis
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