Indeed, there are some good sources of public, deidentified medical images released under various generally permissive licenses. I've found The Cancer Imaging

Indeed, there are some good sources of public, deidentified medical images released under various generally permissive licenses. I've found The Cancer Imaging Archive to be very useful in this regard: https://www.cancerimagingarchive.net/ https://www.cancerimagingarchive.net/ (some are also already preloaded into Google Cloud buckets: https://cloud.google.com/healthcare/docs/resources/public-datasets/tcia https://cloud.google.com/healthcare/docs/resources/public-da...