Is this tool completely free?

Yes, this tool is 100% free to use with no hidden costs, trials, or subscriptions required.

Do I need to register or sign up?

No registration or sign-up required. Simply use the tool directly in your browser.

Is my data uploaded to a server?

No, all processing happens locally in your browser. Your data never leaves your device, ensuring complete privacy.

Can I use this tool offline?

Yes, once loaded, many features work offline thanks to Progressive Web App technology.

Lung Nodule Risk Guide (Educational) – Free Online Tool

Important

This tool is for education only and cannot diagnose. Lung nodules require professional medical evaluation. If you have symptoms or concerns, seek medical care promptly.

Input

Age (years)

Smoking

Prior cancer (5 years)

Nodule type

Maximum diameter (mm)

Upper lobe

Spiculation

Calcification pattern

Nodule count

Growth on follow-up

Result

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Guideline-based follow-up (Fleischner, incidental, adults)

Values are approximate categories based on published guidelines for incidental nodules. Individual care varies by clinical context and imaging details.

Research & Evidence

For the latest research, guidelines, and evidence on lung nodule management, we recommend searching academic literature databases.

Search Google Scholar