Fig. 2From: Comparative genetic analysis of a rare synchronous collision tumor composed of malignant pleural mesothelioma and primary pulmonary adenocarcinomaHistology and immunohistochemistry of the two lesions of the synchronous collision tumor. Representative histologic features of the diffuse pleural thickening (a), epithelioid-type MPM, and the intrapulmonary tumor (b), PAC. c and d show the area of collision, PAC being distributed on the upper left, and MPM on the lower right. d Is the magnified images of the rectangle area in (c). MPM and PAC exhibit typical immunohistochemical staining for TTF-1 (e) and calretinin (f), respectivelyBack to article page