{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,26]],"date-time":"2025-11-26T16:21:18Z","timestamp":1764174078145},"reference-count":9,"publisher":"Wiley","issue":"8","license":[{"start":{"date-parts":[[2014,3,18]],"date-time":"2014-03-18T00:00:00Z","timestamp":1395100800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"name":"University of Wisconsin Carbone Comprehensive Cancer Center (UWCCC) Academic Oncologist Training Program","award":["NIH 5K12CA087718"],"award-info":[{"award-number":["NIH 5K12CA087718"]}]},{"name":"National Cancer Institute, the Health Innovation Program, the Community-Academic Partnerships Core of the University of Wisconsin Institute for Clinical and Translational Research","award":["P30 CA014520"],"award-info":[{"award-number":["P30 CA014520"]}]},{"name":"Clinical and Translational Science Award Program of the National Center for Research Resources NIH National Center for Advancing Translational Sciences [NCATS]","award":["UL1TR0000427"],"award-info":[{"award-number":["UL1TR0000427"]}]},{"name":"UW School of Medicine and Public Health from The Wisconsin Partnership Program"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Journal of Surgical Oncology"],"published-print":{"date-parts":[[2014,6]]},"abstract":"<jats:sec><jats:title>Background<\/jats:title><jats:p>Use of sentinel lymph node biopsy (SLNB) is under\u2010reported by cancer registries' \u201cScope of Regional Lymph Node Surgery\u201d variable. In 2011, the Surveillance Epidemiology and End Results (SEER) Program recommended against its use to determine extent of axillary surgery, leaving a gap in the utilization of claims data for breast cancer research. The objective was to develop an algorithm using SEER registry and claims data to classify extent of axillary surgery for breast cancer.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>We analyzed data for 24,534 breast cancer patients. CPT codes and number of examined lymph nodes classified the extent of axillary surgery. The final algorithm was validated by comparing the algorithm derived extent of axillary surgery to direct chart review for 100 breast cancer patients treated at our breast center.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Using the algorithm, 13% had no axillary surgery, 56% SLNB and 31% axillary lymph node dissection (ALND). SLNB was performed in 77% of node negative patients and ALND in 72% of node positive. In our validation study, concordance between algorithm and direct chart review was 97%.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Given recognized inaccuracies in cancer registries' \u201cScope of Regional Lymph Node Surgery\u201d variable, these findings have high utility for health services researchers studying breast cancer treatment. <jats:italic>J. Surg. Oncol. 2014 109:756\u2013759<\/jats:italic>. \u00a9 2014 Wiley Periodicals, Inc.<\/jats:p><\/jats:sec>","DOI":"10.1002\/jso.23579","type":"journal-article","created":{"date-parts":[[2014,3,18]],"date-time":"2014-03-18T12:22:59Z","timestamp":1395145379000},"page":"756-759","source":"Crossref","is-referenced-by-count":11,"title":["Determining breast cancer axillary surgery within the surveillance epidemiology and end results\u2010Medicare database"],"prefix":"10.1002","volume":"109","author":[{"given":"Ryan K.","family":"Schmocker","sequence":"first","affiliation":[{"name":"Department of Surgery UW Madison School of Medicine and Public Health Madison Wisconsin"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Holly","family":"Caretta\u2010Weyer","sequence":"additional","affiliation":[{"name":"Department of Surgery UW Madison School of Medicine and Public Health Madison Wisconsin"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jennifer M.","family":"Weiss","sequence":"additional","affiliation":[{"name":"UW Carbone Cancer Center UW Madison School of Medicine and Public Health Madison Wisconsin"},{"name":"Division of Gastroenterology and Hepatology, Department of Medicine UW Madison School of Medicine and Public Health Madison Wisconsin"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Katie","family":"Ronk","sequence":"additional","affiliation":[{"name":"Department of Population Health Sciences UW Madison School of Medicine and Public Health Madison Wisconsin"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jeffrey","family":"Havlena","sequence":"additional","affiliation":[{"name":"Department of Surgery UW Madison School of Medicine and Public Health Madison Wisconsin"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Noelle K.","family":"LoConte","sequence":"additional","affiliation":[{"name":"UW Carbone Cancer Center UW Madison School of Medicine and Public Health Madison Wisconsin"},{"name":"Division of Hematology and Oncology, Department of Medicine UW Madison School of Medicine and Public Health Madison Wisconsin"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Marquita","family":"Decker","sequence":"additional","affiliation":[{"name":"Department of Surgery UW Madison School of Medicine and Public Health Madison Wisconsin"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Maureen A.","family":"Smith","sequence":"additional","affiliation":[{"name":"Department of Surgery UW Madison School of Medicine and Public Health Madison Wisconsin"},{"name":"UW Carbone Cancer Center UW Madison School of Medicine and Public Health Madison Wisconsin"},{"name":"Department of Population Health Sciences UW Madison School of Medicine and Public Health Madison Wisconsin"},{"name":"Department of Family Medicine UW Madison School of Medicine and Public Health Madison Wisconsin"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Caprice C.","family":"Greenberg","sequence":"additional","affiliation":[{"name":"Department of Surgery UW Madison School of Medicine and Public Health Madison Wisconsin"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Heather B.","family":"Neuman","sequence":"additional","affiliation":[{"name":"Department of Surgery UW Madison School of Medicine and Public Health Madison Wisconsin"},{"name":"UW Carbone Cancer Center UW Madison School of Medicine and Public Health Madison Wisconsin"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2014,3,18]]},"reference":[{"key":"e_1_2_6_2_1","doi-asserted-by":"publisher","DOI":"10.1002\/1097-0142(19831101)52:9<1551::AID-CNCR2820520902>3.0.CO;2-3"},{"key":"e_1_2_6_3_1","unstructured":"National Cancer Institute Surveillance Program. 1998;http:\/\/seer.cancer.gov\/manuals\/EOD10Dig.3rd.pdfAccessed January 31 2012."},{"key":"e_1_2_6_4_1","unstructured":"National Cancer Data Base. 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