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https://www28.imsweb.com/cdas/nlst/requests/instructions
> Non-image Data
NLST 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.
- Indirectly, through the Query Tool (QT)
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
> Images
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:
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