Risk of mortality of node-negative, ER/PR/HER2 breast cancer subtypes in T1, T2, and T3 tumors

Purpose The purpose of this study was to assess differences in breast cancer-specific mortality within tumors of the same size when breast cancer was defined using the three tumor markers estrogen receptor (ER), progesterone receptor (PR), and human epidermal growth factor receptor 2 (HER2). Methods...

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Veröffentlicht in:Breast cancer research and treatment 2017-10, Vol.165 (3), p.743-750
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Caggiano, Vincent
description Purpose The purpose of this study was to assess differences in breast cancer-specific mortality within tumors of the same size when breast cancer was defined using the three tumor markers estrogen receptor (ER), progesterone receptor (PR), and human epidermal growth factor receptor 2 (HER2). Methods We identified 104,499 cases of node-negative primary female invasive breast cancer from the California Cancer Registry. Tumor size was categorized as T1a, T1b, T1c, T2, and T3. Breast cancer was defined using ER, PR, and HER2. Kaplan–Meier Survival analysis was conducted and Cox Regression was used to compute the adjusted risk of mortality for the ER+/PR+/HER2+, ER−/PR−/HER2− (TNBC), and ER−/PR−/HER2+ (HER2-overexpressing) subtypes when compared with the ER+/PR+/HER2−. Separate models were computed for each tumor size. Results Unadjusted survival analysis showed that for all tumor sizes, the ER+/PR+ subtypes regardless of HER status have better breast cancer-specific survival than ER−/PR− subtypes. Subtype was not an important factor for risk of mortality for T1a tumors. The ER+/PR+/HER2+ subtype was only a risk for mortality in T1b tumors that were unadjusted for treatment. For all other tumor sizes, the ER+/PR+/HER2+ had the same mortality as the ER+/PR+/HER2− subtype regardless of adjustment for treatment. The HER2-overexpressing subtype had a higher risk of mortality than the ER+/PR+/HER2− subtype except for T1b tumors that were adjusted for treatment. For all tumor sizes, the TNBC had higher hazard ratios than all other subtypes. Conclusions T1a tumors have the same risk of mortality regardless of ER/PR/HER2 subtype, and ER and PR negativity plays a stronger role in survival than HER2 positivity for tumors of all size.
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Methods We identified 104,499 cases of node-negative primary female invasive breast cancer from the California Cancer Registry. Tumor size was categorized as T1a, T1b, T1c, T2, and T3. Breast cancer was defined using ER, PR, and HER2. Kaplan–Meier Survival analysis was conducted and Cox Regression was used to compute the adjusted risk of mortality for the ER+/PR+/HER2+, ER−/PR−/HER2− (TNBC), and ER−/PR−/HER2+ (HER2-overexpressing) subtypes when compared with the ER+/PR+/HER2−. Separate models were computed for each tumor size. Results Unadjusted survival analysis showed that for all tumor sizes, the ER+/PR+ subtypes regardless of HER status have better breast cancer-specific survival than ER−/PR− subtypes. Subtype was not an important factor for risk of mortality for T1a tumors. The ER+/PR+/HER2+ subtype was only a risk for mortality in T1b tumors that were unadjusted for treatment. For all other tumor sizes, the ER+/PR+/HER2+ had the same mortality as the ER+/PR+/HER2− subtype regardless of adjustment for treatment. The HER2-overexpressing subtype had a higher risk of mortality than the ER+/PR+/HER2− subtype except for T1b tumors that were adjusted for treatment. For all tumor sizes, the TNBC had higher hazard ratios than all other subtypes. Conclusions T1a tumors have the same risk of mortality regardless of ER/PR/HER2 subtype, and ER and PR negativity plays a stronger role in survival than HER2 positivity for tumors of all size.</description><identifier>ISSN: 0167-6806</identifier><identifier>EISSN: 1573-7217</identifier><identifier>DOI: 10.1007/s10549-017-4383-5</identifier><identifier>PMID: 28689363</identifier><language>eng</language><publisher>New York: Springer US</publisher><subject>Adult ; Aged ; Biomarkers, Tumor ; Breast cancer ; Breast Neoplasms - diagnosis ; Breast Neoplasms - epidemiology ; Breast Neoplasms - mortality ; Breast Neoplasms - therapy ; Cancer research ; Epidemiology ; Epidermal growth factor ; ErbB-2 protein ; Estrogen receptors ; Estrogens ; Female ; Follow-Up Studies ; Health risk assessment ; Humans ; Invasiveness ; Kaplan-Meier Estimate ; Medicine ; Medicine &amp; Public Health ; Middle Aged ; Mortality ; Neoplasm Grading ; Neoplasm Staging ; Oncology ; Population Surveillance ; Progesterone ; Proportional Hazards Models ; Receptor, ErbB-2 ; Receptors, Estrogen ; Receptors, Progesterone ; Survival ; Survival analysis ; Tumor markers ; Tumors</subject><ispartof>Breast cancer research and treatment, 2017-10, Vol.165 (3), p.743-750</ispartof><rights>Springer Science+Business Media, LLC 2017</rights><rights>Breast Cancer Research and Treatment is a copyright of Springer, 2017.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c372t-71c197cb5fc72e154defb0c7d1e8154a0c1fe89a4fa803946cf0abaaca7d88b93</citedby><cites>FETCH-LOGICAL-c372t-71c197cb5fc72e154defb0c7d1e8154a0c1fe89a4fa803946cf0abaaca7d88b93</cites><orcidid>0000-0002-3098-6160</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s10549-017-4383-5$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s10549-017-4383-5$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,780,784,27924,27925,41488,42557,51319</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/28689363$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Parise, Carol A.</creatorcontrib><creatorcontrib>Caggiano, Vincent</creatorcontrib><title>Risk of mortality of node-negative, ER/PR/HER2 breast cancer subtypes in T1, T2, and T3 tumors</title><title>Breast cancer research and treatment</title><addtitle>Breast Cancer Res Treat</addtitle><addtitle>Breast Cancer Res Treat</addtitle><description>Purpose The purpose of this study was to assess differences in breast cancer-specific mortality within tumors of the same size when breast cancer was defined using the three tumor markers estrogen receptor (ER), progesterone receptor (PR), and human epidermal growth factor receptor 2 (HER2). Methods We identified 104,499 cases of node-negative primary female invasive breast cancer from the California Cancer Registry. Tumor size was categorized as T1a, T1b, T1c, T2, and T3. Breast cancer was defined using ER, PR, and HER2. Kaplan–Meier Survival analysis was conducted and Cox Regression was used to compute the adjusted risk of mortality for the ER+/PR+/HER2+, ER−/PR−/HER2− (TNBC), and ER−/PR−/HER2+ (HER2-overexpressing) subtypes when compared with the ER+/PR+/HER2−. Separate models were computed for each tumor size. Results Unadjusted survival analysis showed that for all tumor sizes, the ER+/PR+ subtypes regardless of HER status have better breast cancer-specific survival than ER−/PR− subtypes. Subtype was not an important factor for risk of mortality for T1a tumors. The ER+/PR+/HER2+ subtype was only a risk for mortality in T1b tumors that were unadjusted for treatment. 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Methods We identified 104,499 cases of node-negative primary female invasive breast cancer from the California Cancer Registry. Tumor size was categorized as T1a, T1b, T1c, T2, and T3. Breast cancer was defined using ER, PR, and HER2. Kaplan–Meier Survival analysis was conducted and Cox Regression was used to compute the adjusted risk of mortality for the ER+/PR+/HER2+, ER−/PR−/HER2− (TNBC), and ER−/PR−/HER2+ (HER2-overexpressing) subtypes when compared with the ER+/PR+/HER2−. Separate models were computed for each tumor size. Results Unadjusted survival analysis showed that for all tumor sizes, the ER+/PR+ subtypes regardless of HER status have better breast cancer-specific survival than ER−/PR− subtypes. Subtype was not an important factor for risk of mortality for T1a tumors. The ER+/PR+/HER2+ subtype was only a risk for mortality in T1b tumors that were unadjusted for treatment. For all other tumor sizes, the ER+/PR+/HER2+ had the same mortality as the ER+/PR+/HER2− subtype regardless of adjustment for treatment. The HER2-overexpressing subtype had a higher risk of mortality than the ER+/PR+/HER2− subtype except for T1b tumors that were adjusted for treatment. For all tumor sizes, the TNBC had higher hazard ratios than all other subtypes. Conclusions T1a tumors have the same risk of mortality regardless of ER/PR/HER2 subtype, and ER and PR negativity plays a stronger role in survival than HER2 positivity for tumors of all size.</abstract><cop>New York</cop><pub>Springer US</pub><pmid>28689363</pmid><doi>10.1007/s10549-017-4383-5</doi><tpages>8</tpages><orcidid>https://orcid.org/0000-0002-3098-6160</orcidid></addata></record>
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subjects Adult
Aged
Biomarkers, Tumor
Breast cancer
Breast Neoplasms - diagnosis
Breast Neoplasms - epidemiology
Breast Neoplasms - mortality
Breast Neoplasms - therapy
Cancer research
Epidemiology
Epidermal growth factor
ErbB-2 protein
Estrogen receptors
Estrogens
Female
Follow-Up Studies
Health risk assessment
Humans
Invasiveness
Kaplan-Meier Estimate
Medicine
Medicine & Public Health
Middle Aged
Mortality
Neoplasm Grading
Neoplasm Staging
Oncology
Population Surveillance
Progesterone
Proportional Hazards Models
Receptor, ErbB-2
Receptors, Estrogen
Receptors, Progesterone
Survival
Survival analysis
Tumor markers
Tumors
title Risk of mortality of node-negative, ER/PR/HER2 breast cancer subtypes in T1, T2, and T3 tumors
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