mesh_terms: D035843:Biomedical Research / Q000639:trends*; D003952:Diagnostic Imaging / Q000639:trends*; D005858:Germany; D006801:Humans; D008495:Medical Oncology / Q000639:trends*; D009369:Neoplasms / Q000000981:diagnostic imaging* / Q000532:radiotherapy*; D011871:Radiology / Q000639:trends*