Immune suppressed school ager with a fever Pediatric Imaging Chest April 28, 2023February 14, 2023 CXR AP (above) shows a triangular appearing lesion in the right middle lobe. Axial CT with contrast of the lung (below) shows a thick walled cavitary lesion in the right lower lobe that contains debris. The diagnosis was invasive aspergillosis. Related Published April 28, 2023February 14, 2023