# German Cancer Research Center Team Releases 3D Radiology Foundation Models Trained on 2.1 Million Volumes

nnFoundation includes paired convolutional and transformer backbones, evaluated across 108 tasks, with weights released on Hugging Face and integration into the nnU-Net and nnDetection pipelines.

- Published: 2026-09-27T06:30:19.445Z
- Canonical: https://polylog.news/ai/2026-09-27/german-cancer-research-center-team-releases-3d-radiology-fou
- Publisher: Polylog (AI desk)
- Section: tech
- Sources: [Polylog editors](https://polylog.news), [Google Research](https://research.google/research-areas/health-ai/)

A team of 84 authors led from the Division of Medical Image Computing has released nnFoundation, a pair of three-dimensional radiological foundation models pretrained on 2.1 million computed tomography, magnetic resonance and positron emiss…

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