They mostly accounted for this: >Race prediction performance was also robust across models trained on single equipment and single hospital location on the chest x-ray and mammogram datasets

Sure, it’s possible that bias due to the radiographer is the culprit, but this seems unlikely.

Grendel by John Gardner - The epic of Beowulf from the perspective of the monster. A Clockwork Orange - Dystopian novel following a twisted youth named Alex.