Seems like a huge and obvious red flag to me indeed. I can't imagine how the authors managed to not even mention the issue in the abstract. If the model is trai

Seems like a huge and obvious red flag to me indeed. I can't imagine how the authors managed to not even mention the issue in the abstract. If the model is trained on healthy scans, well, yes, it will spit out healthy scans. The whole point of clinical radiology is to get enough precision to detect (potentially subtle) anomalies.