Clinical value of [18-F] fluorodeoxyglucose positron emission tomography imaging in soft tissue sarcomas Matthias H.M. Schwarzbach, MD, Antonia Dimitrakopoulou-Strauss, MD, Frank Willeke, MD, Ulf Hinz, MSc, Ludwig G. Strauss, MD, Yu-Min Zhang, MD, Gunhild Mechtersheimer, MD, Nico Attigah, MD, Thomas Lehnert, MD, and Christian Herfarth, MD