Schulze, Arik Bernard ; Schmidt, Lars Henning ; Heitkötter, Birthe Franziska ; Huss, Sebastian ; Mohr, Michael ; Marra, Alessandro; Hillejan, Ludger; Görlich, Dennis ; Barth, Peter; Rehkämper, Jan ; Evers, Georg Heribert: Prognostic impact of CD34 and SMA in cancer-associated fibroblasts in stage I–III NSCLC