Datasets:
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# National Lung Screening Trial (NLST)
## License
**CC BY 4.0**
[Creative Commons Attribution 4.0 International License](https://creativecommons.org/licenses/by/4.0/)
## Citation
Paper BibTeX:
```bibtex
@article{national2011reduced,
title={Reduced lung-cancer mortality with low-dose computed tomographic screening},
author={National Lung Screening Trial Research Team},
journal={New England Journal of Medicine},
volume={365},
number={5},
pages={395--409},
year={2011},
publisher={Mass Medical Soc}
}
```
Dataset:
```bibtex
National Lung Screening Trial Research Team. (2013). Data from the National Lung Screening Trial (NLST) [Data set]. The Cancer Imaging Archive. https://doi.org/10.7937/TCIA.HMQ8-J677
```
## Dataset description
The NLST investigated whether low-dose CT screening could reduce lung cancer mortality in high-risk individuals. Between 2002–2004, 53,454 participants were randomized to three annual screenings with either low-dose CT or chest radiography. This dataset includes low-dose CT scans from 26,254 subjects and histopathology images from 451 subjects, enabling research on early detection and screening efficacy.
**Number of CT volumes**: 7172
**Contrast**: Low-dose, non-contrast
**CT body coverage**: Chest
**Does the dataset include any ground truth annotations?**: No
**Original GT annotation targets**: -
**Number of annotated CT volumes**: -
**Annotator**: -
**Acquisition centers**: 33 medical centers across the United States
**Pathology/Disease**: High-risk individuals screened for lung cancer
**Original dataset download link**: https://www.cancerimagingarchive.net/collection/nlst/
**Original dataset format**: DICOM
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