T2-weighted, apparent diffusion coefficient and ¹⁸F-FDG PET histogram analysis of rectal cancer after preoperative chemoradiotherapy.

"Declarations Conflict of interestThe other authors have indicated they have no potential conflicts of interest to disclose. Ethical approvalAll procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. Informed consentInformed consent was obtained from all individual partecipants included in the study. Conflict of interest The other authors have indicated they have no potential conflicts of interest to disclose."

"Funding Open access funding provided by Università degli Studi di Padova within the CRUI-CARE Agreement. The authors did not receive support from any organization for the submitted work. The authors declare they have no financial interests."