Treatment for liver metastasis from renal cell carcinoma with computed-tomography-guided high-dose-rate brachytherapy (CT-HDRBT): a case series. - Geisel, Dominik; Collettini, Federico; Denecke, Timm; Grieser, Christian; Flörcken, Anne; Wust, Peter; Hamm, Bernd; Gebauer, Bernhard (World Journal of Urology, 2013)