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Tumor stage affects...
Tumor stage affects risk and prognosis of contralateral breast cancer : results from a large Swedish-population-based study
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Vichapat, Voralak (author)
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- Garmo, Hans (author)
- Uppsala universitet,Uppsala kliniska forskningscentrum (UCR)
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Holmqvist, Marit (author)
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Liljegren, Göran (author)
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- Wärnberg, Fredrik (author)
- Uppsala universitet,Endokrinkirurgi
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- Lambe, Mats (author)
- Karolinska Institutet
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- Fornander, Tommy (author)
- Karolinska Institutet
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- Adolfsson, Jan (author)
- Karolinska Institutet
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Lüchtenborg, Margreet (author)
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- Holmberg, Lars (author)
- Uppsala universitet,Endokrinkirurgi
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(creator_code:org_t)
- 2012
- 2012
- English.
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In: Journal of Clinical Oncology. - 0732-183X .- 1527-7755. ; 30:28, s. 3478-3485
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http://www.jco.org/c...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
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- PURPOSEThe number of breast cancer survivors at risk of developing contralateral breast cancer (CBC) is increasing. However, ambiguity remains regarding risk factors and prognosis for women with CBC.PATIENTS AND METHODSIn a cohort of 42,670 women with breast cancer in the Uppsala/Örebro and Stockholm regions in Sweden in 1992 to 2008, we assessed risk factors for and prognosis of metachronous CBC by using survival analysis. Breast cancer-specific survival for women with CBC was evaluated and compared with results for women with unilateral breast cancer (UBC) by using time-dependent Cox-regression modeling.RESULTSAn increased risk for CBC was observed among women who had primary breast cancer with ≥ 10 involved lymph nodes compared with node-negative women (adjusted hazard ratio [HR], 1.8; 95% CI, 1.2 to 2.7). The prognosis was poorer in women with CBC than with UBC. The hazard of dying from breast cancer was especially high for women with a short interval time to CBC (adjusted HR, 2.3; 95% CI, 1.8 to 2.8 for CBC diagnosed ≤ 5 years v UBC) and gradually decreased with longer follow-up time but remained higher than the hazard originating from the primary tumor for ≥ 10 years.CONCLUSIONWomen with advanced-stage primary breast cancer had an increased risk of developing CBC. CBC is associated with an increased risk of dying from breast cancer throughout a long period of follow-up after the primary tumor. Our findings suggest that the event of CBC marks a new clinical situation in terms of investigations for metastases, treatment considerations, and follow-up strategy.
Keyword
- Age Distribution
- Aged
- Aged; 80 and over
- Breast Neoplasms/diagnosis/*mortality/pathology/*therapy
- Confidence Intervals
- Databases; Factual
- Female
- Humans
- Middle Aged
- Neoplasm Staging
- Survival Analysis
- Sweden/epidemiology
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Vichapat, Vorala ...
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Garmo, Hans
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Holmqvist, Marit
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Liljegren, Göran
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Wärnberg, Fredri ...
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Lambe, Mats
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show more...
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Fornander, Tommy
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Adolfsson, Jan
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Lüchtenborg, Mar ...
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Holmberg, Lars
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show less...
- Articles in the publication
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Journal of Clini ...
- By the university
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Uppsala University
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Karolinska Institutet