Recurrence and mortality dynamics for breast cancer patients undergoing mastectomy according to estrogen receptor status: Different mortality but similar recurrence

Romano Demicheli, Elia Biganzoli, Ilaria Ardoino, Patrizia Boracchi, Danila Coradini, Marco Greco, Angela Moliterni, Milvia Zambetti, Pinuccia Valagussa, Isaac D. Gukas, Gianni Bonadonna

Research output: Contribution to journalArticle

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Abstract

The purpose was to ascertain whether the recurrence risk patterns for patients with estrogen receptor (ER)-positive (P) and ER-negative (N) breast cancer support the ER-related clinical divergence suggested by the observed different mortality patterns and gene expression profiles. Both recurrence and death were considered in a series of 771 patients undergoing mastectomy. ER status was available for 539 patients. The hazard rates for recurrence and mortality throughout 15 years of follow-up were assessed. The recurrence dynamics displays a bimodal pattern for both ERP and ERN tumors with comparable peak timings. The two curves cross during the 3rd year. By contrast, the mortality dynamics are definitely different for ERP and ERN tumors: during the early follow-up period ERN patients have their highest mortality risk, while ERP patients have their lowest mortality risk. The two curves cross during the 5th year. In spite of the different mortality dynamics, the recurrence dynamics do not demonstrate a major distinction in timing between ERP and ERN breast cancers, suggesting that the metastasis development process following mastectomy is apparently similar for both ER categories. The observed differences in the mortality risk are plausibly attributable to ER-related factors influencing the clinical course from recurrence to death. These clinical findings apparently contradict the occurrence of two different types of breast cancer, notwithstanding the distinct epidemiological, clinical, and molecular features linked to ERP and ERN tumors, although ER levels may concur to establish the event risk levels.

Original languageEnglish
Pages (from-to)826-830
Number of pages5
JournalCancer Science
Volume101
Issue number3
DOIs
Publication statusPublished - Mar 2010

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Mastectomy
Estrogen Receptors
Breast Neoplasms
Recurrence
Mortality
Neoplasms
Transcriptome
Neoplasm Metastasis

ASJC Scopus subject areas

  • Cancer Research
  • Oncology

Cite this

Recurrence and mortality dynamics for breast cancer patients undergoing mastectomy according to estrogen receptor status : Different mortality but similar recurrence. / Demicheli, Romano; Biganzoli, Elia; Ardoino, Ilaria; Boracchi, Patrizia; Coradini, Danila; Greco, Marco; Moliterni, Angela; Zambetti, Milvia; Valagussa, Pinuccia; Gukas, Isaac D.; Bonadonna, Gianni.

In: Cancer Science, Vol. 101, No. 3, 03.2010, p. 826-830.

Research output: Contribution to journalArticle

Demicheli, R, Biganzoli, E, Ardoino, I, Boracchi, P, Coradini, D, Greco, M, Moliterni, A, Zambetti, M, Valagussa, P, Gukas, ID & Bonadonna, G 2010, 'Recurrence and mortality dynamics for breast cancer patients undergoing mastectomy according to estrogen receptor status: Different mortality but similar recurrence', Cancer Science, vol. 101, no. 3, pp. 826-830. https://doi.org/10.1111/j.1349-7006.2009.01472.x
Demicheli, Romano ; Biganzoli, Elia ; Ardoino, Ilaria ; Boracchi, Patrizia ; Coradini, Danila ; Greco, Marco ; Moliterni, Angela ; Zambetti, Milvia ; Valagussa, Pinuccia ; Gukas, Isaac D. ; Bonadonna, Gianni. / Recurrence and mortality dynamics for breast cancer patients undergoing mastectomy according to estrogen receptor status : Different mortality but similar recurrence. In: Cancer Science. 2010 ; Vol. 101, No. 3. pp. 826-830.
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