Recurrent Disease after Breast Preserving Therapy (BPT) and Radiation Therapy for Breast Cancer - Diagnostic Yield of Palpation, Mammography and Ultrasonography - Riebe, E; Günther, K; Schulz, K; Köhler, G; Schimming, A; Schwesinger, G; Ohlinger, R (Ultraschall in der Medizin - European Journal of Ultrasound, 2007)