Registry / portal
Open download
mostly CC BY 3.0/4.0 per collection; some restricted collections
TCIA — The Cancer Imaging Archive
The main public archive of de-identified cancer imaging, organised into collections by disease and modality; the source of most public radiology training data in oncology.
At a glance
ProviderNCI Cancer Imaging Program; hosted by the University of Arkansas for Medical Sciences
AccessOpen download
Licencemostly CC BY 3.0/4.0 per collection; some restricted collections
collections200
Size noteshundreds of collections, tens of thousands of patients; DICOM with linked clinical and sometimes genomic data
FormatsDICOM, NIfTI, CSV
CancerPan-cancer
Labels and annotations
Varies by collection: from unlabelled scans to expert segmentations (DICOM-SEG/RTSTRUCT), radiomics features and outcome data; each collection has its own data card.
Details
Not yet documented on this card.
Models trained or evaluated on it
- training MedSAM Bo Wang Lab, University of Toronto / University Health Network — many TCIA collections are in the 1.57M-pair training set
Sources
This page is educational — it is not medical advice and does not replace consultation with an oncologist. Diagnostic and treatment decisions are made solely by specialist physicians.