Funding for this research was provided by:
Universitätsklinikum Düsseldorf. Anstalt öffentlichen Rechts
Received: 10 December 2021
Accepted: 15 February 2022
First Online: 4 March 2022
: The local Ethics Committee of the University Dusseldorf approved this retrospective study. Informed consent was obtained from all individual participants included in the study. All procedures performed were in accordance with the ethical standards of the institutional research committee and with the principles of the 1964 Declaration of Helsinki and its later amendments.
: There is no identifying information about participants in this study. All patients consented to the clinically indicated PET/CT examination. Additional patient consent for retrospective data analysis was waived by the local ethics committee.
: The authors declare no competing interests.