Efficacy and safety of percutaneous computed tomography-guided high-dose-rate interstitial brachytherapy in treatment of oligometastatic lymph node metastases of retroperitoneal space - Heinze, Constanze; Omari, Jazan; Manig, Matthias; Hass, Peter; Venerito, Marino; Damm, Robert; Jargiełło, Tomasz; Ricke, Jens; Powerski, Maciej; Pech, Maciej (Journal of Contemporary Brachytherapy, 2019)