Our research group of the Global Center for Medical Science and Engineering (Director, Professor Hiroki Shirato), along with Lecturer Fumi Kato of Diagnostic Radiology of Hokkaido University Hospital (Director, Professor Kohsuke Kudo), and a research team from Stanford University had been working on collaborative research and this joint paper "Radiological tumor classification across imaging modality and histology" [DOI:10.1038/s42256-021-00377-0] was published online in Nature Machine Intelligence on 9th August 2021. Hokkaido University has released the news on its webpage.