My MRI interpretation vision model pointed at the right kidney and wrote "left"

I build a tool that reads MRI and CT scans with general vision models and explains the findings in plain language. The most repeated error in that pipeline isn't a missed tumour or an invented measurement. It's left and right. We ran eight real studies through four readers (Claude, Gemini, Grok and Google's MedGemma), with the radiologist's signed...