Fig. 1From: Fibrosing pneumonia – how to diagnose, and how to recognize the etiology?Overview of UIP/IPF. The upper figure demonstrates the peripheral distribution of fibrosis. There is a lot normal lung visible. In the lower figure there is more fibrosis, also normal lung (heterogeneity), and lymphocyte aggregates around the cystic structures. H&E, bars 500 and 1000 μmBack to article page