RBFOX2 and pancreatic neoplasm: Immunohistochemistry confirmed RBFOX2 expression in the tumor and surrounding cells (Fig. 5h and Supplemental Fig. 7g) and the absence of RBFOX2 expression in the RBFOX2-depleted pancreas tumor (Fig. 5i and Supplemental Fig. 7h) and related liver lesions (Fig. 5j and Supplemental Fig. 7i.