Received: 26 August 2019
Accepted: 30 December 2019
First Online: 8 January 2020
Ethics approval and consent to participate
: All procedures performed in this case report was in accordance with the ethical standards of the institutional review board of Chi Mei Medical Center (assurance number: 10806-E01) and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: The case report has been granted exemption from review by the Institutional Review Board of Chi Mei Medical Center. (Assurance number:10806-E01).Because the patients were receiving scheduled and routine PET/CT for disease evaluation or surveillance, and not for research study, no any extra protocol was performed, therefore, there was no extra informed consent given. We just retro-respective reviewed data, No identifying information of patients, including names, initials, or hospital numbers was involved in this manuscript.
: The authors declare that they have no competing interests.