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  Indian J Med Microbiol
 

Figure 2: Pathological specimen obtained from video-assisted thoracic surgery showed storiform pattern of fibrosis (a) and immunohistochemical staining for IgG4 positive cells (b)

Figure 2: Pathological specimen obtained from video-assisted thoracic surgery showed storiform pattern of fibrosis (a) and immunohistochemical staining for IgG4 positive cells (b)