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Prognosis in node-negative breast cancer.

C J van de Velde, H S Gallager, G G Giacco

Breast Cancer Research and Treatment

|January 1, 1986

Summary

For breast cancer patients with clear lymph nodes, primary tumor volume, grade, invasive lobular carcinoma presence, and intramammary vessel involvement predict long-term survival. Multiple factors indicate a less favorable prognosis.

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Area of Science:

Oncology
Pathology
Medical Statistics

Background:

Accurate prognostic indicators are crucial for tailoring breast cancer treatment.
Identifying factors that predict long-term disease-free survival in early-stage breast cancer is essential.

Purpose of the Study:

To evaluate the prognostic utility of clinical and pathological features in breast cancer patients with pathologically node-negative disease.
To identify specific pathological characteristics associated with long-term disease-free survival.

Main Methods:

Retrospective analysis of clinical and pathological data from 207 breast cancer patients.
Evaluation of features including primary tumor volume, histologic/nuclear grade, tumor histology, and intramammary lymphatic vessel involvement.
Correlation of these features with long-term disease-free survival.

Main Results:

No clinical features demonstrated prognostic value.
Four pathological features were found to be significant: primary tumor volume, histologic/nuclear grade, presence of invasive lobular carcinoma, and possibly neoplastic cells in intramammary lymphatics.
The combination of two or more of these features correlated with a less favorable prognosis, though not in an additive manner.

Conclusions:

Pathological features, not clinical ones, are significant predictors of long-term disease-free survival in node-negative breast cancer.
Tumor volume, grade, histology (invasive lobular), and intramammary lymphatic invasion are key prognostic indicators.
Prognosis is influenced by the presence of multiple adverse pathological factors.

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