RIDER Breast MRI-Fix Dataset is a breast cancer magnetic resonance imaging dataset, which contains 1,500 images of 5 patients and 40 series from 10 studies. It aims to digitally track the diagnosis and treatment process of various types of cancer, and record the examination results, prescriptions and therapeutic effects in the form of digital archives. This dataset was released by the Cancer Imaging Archive (TCIA) in 2015. The related paper is “Data From RIDER-Breast-MRI: The Cancer Imaging Archive”.