Fig. 2 | Modern Pathology

Fig. 2

From: Malignant mesothelioma in situ: morphologic features and clinical outcome

Fig. 2

(Case 7): a Single layer of cuboidal mesothelial cells, in this case with some degree of cytologic atypia. b Loss of BAP1 in the surface mesothelial cells. c MTAP staining shows partial loss. d, e Low and high power views of a papillary area on the pleural surface with marked cytologic atypia. f BAP1 is lost in the papillary area. g Cytoplasmic MTAP staining is lost in the papillary area

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