Non-invasive Monitoring of Soft-tissue Sarcoma Response to Neoadjuvant Radiotherapy by Quantification of Circulating Tumor DNA (ctDNA) and Multiparametric MRI (mpMRI). (1st March 2023) - Runkel, Alexander; Schmid, Adrian; Lausch, Ute; Eisenhardt, Anja; Kiefer, Jurij; Braig, David; Eisenhardt, Steffen U.