EGF and cancer: Cancer cells were found to be the major source of TGF\documentclass[12pt]{minimal}\usepackage{amsmath}\usepackage{wasysym}\usepackage{amsfonts}\usepackage{amssymb}\usepackage{amsbsy}\usepackage{mathrsfs}\usepackage{upgreek}\setlength{\oddsidemargin}{-69pt}\begin{document}$$\beta$$\end{document}β/EGF stimuli of mesenchymal fibroblast differentiation in both the discovery and validation cohorts.