724013.fig.003a
(a)
724013.fig.003b
(b)
724013.fig.003c
(c)
Figure 3: Histological analysis of transbronchial biopsies. (a) H&E stain showing presence of noncaseating granuloma with surrounding lymphocytes. (b) Ziehl-Nielson—no acid fast bacilli seen. (c) Grocott Stain—no fungal elements seen.