
Whole 3D MRI Series In, Prompt-Free Organ Boxes and Report-Searchable Anatomy Out From One Frozen Encoder, Still Weak on Organs Smaller Than Its 8-Voxel Patches (A4-MR)
A4-MR, a 3D MRI vision-language model from GE HealthCare trained on about 50,000 studies (491,000 series), finds 125 anatomy classes as 3D boxes without prompts,

