Right lung. A: Macroscopically, the peri-bronchial areas are densely fibrotic (blue dashed lines). B: Inflammatory cells and fibrosis are distributed along the bronchovascular bundles. C: Plasma cell and eosinophil infiltrates. D: An obstructed vessel is located in the pulmonary hilar region.
Fujii et al. Diagnostic Pathology 2014 9:41 doi:10.1186/1746-1596-9-41