Fig. 2From: Histological study of chronic pulmonary aspergillosisHistopathology of organization surrounding the cavity. a Macroscopic findings reveal the fungus ball (arrow head). Pleura with fibrous thickening is also noted. b Organization area can be seen around the fungus ball (H-E staining). c Alveolar spaces are filled with dense collagenous tissue (EVG staining)Back to article page