Tumor containment by immune cells and fibrotic capsule improve survival of patients following resection of colorectal liver metastasis - Brunner, SM; Kesselring, R; Rubner, C; Martin, M; Jeiter, T; Boerner, T; Ruemmele, P; Schlitt, HJ; Fichtner, S (Zeitschrift für Gastroenterologie, 2014)