Assessment of androgen receptor expression in breast cancer patients using 18 F-FDG PET/CT radiomics and clinicopathological characteristics.

"Declarations Ethics approval and consent to participateThe studies involving human participants were reviewed and approved by the First Affiliated Hospital of Soochow University. This study was also in accordance with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. The informed consent was waived by the First Affiliated Hospital of Soochow University because of its retrospective nature. Written informed consent for participation was not required for this study in accordance with national legislation and institutional requirements. Consent for publicationNot applicable. Competing interestsThe authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest. Competing interests The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest."

"Funding This research was funded by the National Natural Science Foundation of China (No. 81601522), Medical Youth Talent Project of Jiangsu Province (No. QNRC2016749), Gusu Health Talent Program (No. GSWS2020013), Suzhou People’s Livelihood Science and Technology Project (No. SYS2019038), Project of State Key Laboratory of Radiation Medicine and Protection, Soochow University (No. GZK1202127), and the open Foundation of Nuclear Medicine Laboratory of Mianyang Central Hospital (No. 2021HYX023 and 2021HYX029). The funding body played no role in the design of the study and collection, analysis, interpretation of data, and in writing the manuscript."

"This retrospective study was approved by the institutional review board of the First Affiliated Hospital of Soochow University, and the informed consent was waived because of its retrospective nature. Our current study was conducted in accordance with the Declaration of Helsinki, and the trial registration number of this study was ChiCTR2200062858."