1. Department of Radiology, Massachusetts General Hospital, Harvard Medical School Boston MA USA
2. Department of Pathology, Massachusetts General Hospital, Harvard Medical School Boston MA USA
3. Department of Haematology and Oncology, CCM, Charité—Universitätsmedizin Berlin Berlin Germany
4. Department of RadiologyCharité Medical University of Berlin Berlin Germany
5. Division of X‐Ray Imaging and Computed Tomography, German Cancer Research Center (DKFZ) Heidelberg Germany