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