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Additional Nodal Metastasis Nomogram

OncologySurgeryBreastBeta toolThis tool is in beta. It has undergone internal validation but still requires additional testing. Always confirm the data entered and the results obtained before clinical use. It should not be used as the sole basis for clinical decisions.
Use the public composite tumor-type and nuclear-grade option exposed by the MSKCC/MDCalc nomogram.
Lymphovascular invasion
Multifocal disease
Estrogen receptor positive
Enter a whole number from 0 to 14.
count
Enter a whole number from 1 to 7.
count
Enter tumor size in centimeters within the documented 0.0 to 9.0 cm range.
cm

Clinical noticeEducational clinical-support tool only. Interpret the probability only within the validated population and alongside current axillary-management guidance.

Context and use

Total points

Points = tumor type/grade + lymphovascular invasion + multifocality + estrogen receptor status + negative SLNs + positive SLNs + tumor size + detection method

Probability

Probability (%) = 100 / (1 + e^-((points - 208.5712) / 39.3992))

Operational implementation aligned to the public MSKCC/MDCalc nomogram: negative SLNs 0-14, positive SLNs 1-7, and tumor size 0.0-9.0 cm.

Pain assessment

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Nutrition and metabolism

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Estimates basal energy expenditure in kcal/day using the original Harris-Benedict equations.

Certifications and Compliance

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