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    Chief Complaint


    Organ System


    Patent Pending

    Fleischner Society Guidelines for Incidental Pulmonary Nodules

    Provides guidelines for management of solid and subsolid pulmonary nodules.


    Use in patients ≥35 years old with incidental pulmonary nodules on CT imaging. Do not use for lung cancer screening or in patients with known primary cancer or immunosuppression. Use most suspicious nodule as guide to management. 

    When to Use
    Why Use

    • Patients ≥35 years old with incidental pulmonary nodules on CT scan.

    • Do not use for lung cancer screening or in patients with known primary cancer or immunosuppression.

    Incidental pulmonary nodules on imaging can be challenging to evaluate. These guidelines provide an accepted framework for management.



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    Creator Insights
    Dr. Heber MacMahon

    About the Creator

    Heber MacMahon, MB, BCh, is the section chief of thoracic radiology and a professor of radiology at the University of Chicago Medicine. He is also a leader in the University of Chicago Comprehensive Cancer Center's Advanced Imaging Program. Dr. MacMahon’s primary research is focused on thoracic diagnostic radiology, lung cancer detection, and computer-aided diagnosis.

    To view Dr. Heber MacMahon's publications, visit PubMed

    Are you Dr. Heber MacMahon? Send us a message to review your photo and bio, and find out how to submit Creator Insights!
    MDCalc loves calculator creators – researchers who, through intelligent and often complex methods, discover tools that describe scientific facts that can then be applied in practice. These are real scientific discoveries about the nature of the human body, which can be invaluable to physicians taking care of patients.
    About the Creator
    Dr. Heber MacMahon
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