CD68 and neoplasm: A CD68 immunopositivity score of 2 or above (\documentclass[12pt]{minimal}\usepackage{amsmath}\usepackage{wasysym}\usepackage{amsfonts}\usepackage{amssymb}\usepackage{amsbsy}\usepackage{mathrsfs}\usepackage{upgreek}\setlength{\oddsidemargin}{-69pt}\begin{document}$$\:\ge\:$$\end{document} 25% of tumor tissue) was observed in 49.5% in complete resections compared to 64.7% in partial resections (p = 0.0010).