Figure 4From: Acute fibrinous and organising pneumonia: a case report and review of the literature High-resolution computed tomography (HRCT) two months after discontinuation of treatment at the level of the aortic arch (A) and the carina (B) at lung windowing shows deterioration of the disease with extensive subpleural and peribronchovascular consolidation in the right upper lobe (arrows) and with new ring-like opacities consistent with the "reversed halo sign" (arrowhead).Back to article page