CD8A and Achalasia: Facco et al. performed flow cytometry analysis of achalasia versus control esophageal tissue and demonstrated that lymphocyte infiltration was significantly elevated in the LES in achalasia and was represented by\documentclass[12pt]{minimal}\usepackage{amsmath}\usepackage{wasysym}\usepackage{amsfonts}\usepackage{amssymb}\usepackage{amsbsy}\usepackage{mathrsfs}\usepackage{upgreek}\setlength{\oddsidemargin}{-69pt}\begin{document}$${CD3}^{+}{CD8}^{+}$$\end{document}T cells.