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https://biometry.nci.nih.gov/cdas/nlst/requests/instructions
> Non-image Data
NLST investigators Investigators with approved access to NLST data may acquire copies of data in two different ways:
- Directly from IMS
This is a direct request for specific data. Data provided may be in SAS datasets, Excel spreadsheets, or CSV files.
Investigators with an approved request may download comprehensive NLST datasets directly from the CDAS website. Datasets are provided in SAS format in one compressed file (.zip); other formats are available upon request. - Indirectly, through the Query Tool (QT): NLST Database Query Tool
Investigators launch the web-based QT, make menu-driven queries against the QT database (a significant subset of all trial data), and save query results to an Excel spreadsheet. The chief advantage to the QT is the ability to rapidly adjust queries and build a final spreadsheet for analysis. In addition, the QT offers the ability to download associated CT image
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All CT images are avaliable to NLST investigators with approved access to NLST data and images. The chest X-rays are not available. Subsets of the CT images may be obtained in two ways:
- Request from IMS. Petition IMS for images associated with an NCI-approved project. IMS notfies notifies The Cancer Imaging Archive (TCIA) management with a list of images to provide. TCIA pulls the images to an external hard drive (provided by the investigator) and ships the images to the investigator.
- Request with Query Tool. The investigator uses the Query Tool to define cohorts of subjects using non-image trial data, then directly downloads the associated CT images directly to their computer using the TCIA Download Manager tool.
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