Fig. 2From: A novel TPD52L2-ROS1 gene fusion expanding the molecular alterations in inflammatory myofibroblastic tumor: case report and literature review(A) The tumor showed spindle cell proliferation with inflammatory infiltration. (B) The spindle cells showed a fascicular growth pattern and the infiltration background of plasma cells, neutrophils, and eosinophils. (C) SMA immunohistochemical stain shows diffuse positivity of spindle cells. (D) The immunohistochemical stain for ALK (1A4) is negativeBack to article page