Article • Cancer of unknown primary
CUP: in search for the smoking gun
Cancer of unknown primary (CUP) can send radiologists on a frustrating scavenger hunt: metastases were detected but the primary cancer is nowhere to be seen. Professor Alwin Krämer, Head of the Clinical Cooperation Unit Molecular Haematology/Oncology at University Hospital Heidelberg and the German Cancer Research Center, explains strategies for dealing with CUP.