A subregion-based RadioFusionOmics model discriminates between grade 4 astrocytoma and glioblastoma on multisequence MRI.

"Declarations Conflict of interestThe authors of this manuscript declare no relationships with any companies, whose products or services may be related to the subject matter of the article. Ethical approval and consent to participateOur study was approved by the ethical committee of the Second Affiliated Hospital of South China University of Technology. The written informed consent was waived by the ethical committee for this retrospective study. Conflict of interest The authors of this manuscript declare no relationships with any companies, whose products or services may be related to the subject matter of the article."

"Funding This study was funded by the National Natural Science Foundation of China (82371908, 81971574, 81874216), the Natural Science Foundation of Guangdong Province (2021A1515011350, 2022A1515011410), the Basic and Applied Basic Research Foundation of Guangdong Province (2021A1515220060), the Science and Technology Project of Guangzhou (202102010025), the Special Fund for the Construction of High-level Key Clinical Specialty (Medical Imaging) in Guangzhou, Guangzhou Key Laboratory of Molecular Imaging and Clinical Translational Medicine (202201020376)."