Notably, the expression of only one such protein, integrin \documentclass[12pt]{minimal}\usepackage{amsmath}\usepackage{wasysym}\usepackage{amsfonts}\usepackage{amssymb}\usepackage{amsbsy}\usepackage{mathrsfs}\usepackage{upgreek}\setlength{\oddsidemargin}{-69pt}\begin{document}$$\alpha$$\end{document}5 (ITGA5), was entirely absent in control and engraftment tumor samples, increased through chemoradiotherapy, and peaked at relapse. This evidence concerns the gene ITGA5 and neoplasm.