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<article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="other" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Tumors of female reproductive system</journal-id><journal-title-group><journal-title xml:lang="en">Tumors of female reproductive system</journal-title><trans-title-group xml:lang="ru"><trans-title>Опухоли женской репродуктивной системы</trans-title></trans-title-group></journal-title-group><issn publication-format="print">1994-4098</issn><issn publication-format="electronic">1999-8627</issn><publisher><publisher-name xml:lang="en">Publishing House ABV Press</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">809</article-id><article-id pub-id-type="doi">10.17650/1994-4098-2021-17-1-12-19</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>MAMMOLOGY. ORIGINAL REPORTS</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>МАММОЛОГИЯ. ОРИГИНАЛЬНЫЕ СТАТЬИ</subject></subj-group><subj-group subj-group-type="article-type"><subject></subject></subj-group></article-categories><title-group><article-title xml:lang="en">R1 resection margin after organ-sparing/oncoplastic surgeries for breast cancer</article-title><trans-title-group xml:lang="ru"><trans-title>Края резекции R1 после органосохраняющих/онкопластических операций у больных раком молочной железы</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Rasskazova</surname><given-names>E.  A. </given-names></name><name xml:lang="ru"><surname>Рассказова</surname><given-names>Е. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Elena Aleksandrovna Rasskazova  </p><p>3 2 nd Botkinskiy Proezd, Moscow 125284</p></bio><bio xml:lang="ru"><p>Елена Александровна Рассказова  </p><p>125284 Москва, 2-й Боткинский проезд, 3</p></bio><email>rasskaz2@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7141-2502</contrib-id><name-alternatives><name xml:lang="en"><surname>Zikiryakhodzhaev</surname><given-names>A.  D. </given-names></name><name xml:lang="ru"><surname>Зикиряходжаев</surname><given-names>А. Д.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>3 2 nd Botkinskiy Proezd, Moscow 125284</p><p>Build. 2, 8 Trubetskaya St., Moscow 119991</p><p>8 Miklukho-Maklaya St., Moscow 117198</p></bio><bio xml:lang="ru"><p>125284 Москва, 2-й Боткинский проезд, 3</p><p>119991 Москва, ул. Трубецкая, 8, стр. 2</p><p>117198 Москва, ул. Миклухо-Маклая, 8</p></bio><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Volchenko</surname><given-names>N.  N. </given-names></name><name xml:lang="ru"><surname>Волченко</surname><given-names>Н. Н.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>3 2 nd Botkinskiy Proezd, Moscow 125284</p></bio><bio xml:lang="ru"><p>125284 Москва, 2-й Боткинский проезд, 3</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname> Khakimova</surname><given-names>Sh.  G.</given-names></name><name xml:lang="ru"><surname>Хакимова</surname><given-names>Ш. Г.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>3 2 nd Botkinskiy Proezd, Moscow 125284</p></bio><bio xml:lang="ru"><p>125284 Москва, 2-й Боткинский проезд, 3</p></bio><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">P. Hertzen Moscow Oncology Research Institute – branch of the National Medical Research Radiology Center, Ministry of Health of Russia</institution></aff><aff><institution xml:lang="ru">Московский научно-исследовательский онкологический институт им. П.А. Герцена – филиал ФГБУ «Национальный медицинский исследовательский центр радиологии» Минздрава России</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">I.M. Sechenov First Moscow State Medical University, Ministry of Health of Russia</institution></aff><aff><institution xml:lang="ru">ФГБОУ ВО «Первый Московский государственный медицинский университет им. И.М. Сеченова» Минздрава России</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">Institute of Medicine, Peoples’ Friendship University of Russia</institution></aff><aff><institution xml:lang="ru">ФГАОУ ВО «Российский университет дружбы народов»</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2021-06-16" publication-format="electronic"><day>16</day><month>06</month><year>2021</year></pub-date><volume>17</volume><issue>1</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>12</fpage><lpage>19</lpage><history><date date-type="received" iso-8601-date="2021-06-15"><day>15</day><month>06</month><year>2021</year></date><date date-type="accepted" iso-8601-date="2021-06-15"><day>15</day><month>06</month><year>2021</year></date></history><permissions><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/></permissions><self-uri xlink:href="https://ojrs.abvpress.ru/ojrs/article/view/809">https://ojrs.abvpress.ru/ojrs/article/view/809</self-uri><abstract xml:lang="en"><p>The recurrence rate after organ-sparing surgeries for breast cancer depends on the resection margins: R1 status is associated with a higher risk of recurrence than R0.We analyzed a group of breast cancer patients with an R1 resection margin who underwent organ-sparing/oncoplastic surgeries. The R1 resection margin was detected in 62 out of 1279 patients who had organ-sparing/oncoplastic surgeries (4.9 % ± 0.6 %). In the group with invasive cancer and R1 resection margin, 80 % of patients were diagnosed with lobular carcinoma, whereas 14.8 % of patients had invasive cancer with no specific signs.We divided the group of repeated surgeries according to their histological structure at the resection margin: 28 patients were found to have carcinoma in situ, while 13 patients had invasive cancer.Among patients with carcinoma in situ, the resection margin after repeated surgery had no signs of malignancy in 14 women (50 %), while 10 (35.7 %) and 4 (14.3 %) women were diagnosed with carcinoma in situ and invasive cancer, respectively.In case of invasive cancer, 4 patients (30.8 %) had no signs of malignancy in their resection margins, while 1 (7.7 %) and 8 (61.5 %) patients were found to have carcinoma in situ and invasive cancer, respectivelyFollow-up of patients with an R1 resection margin after repeated surgery or radiotherapy revealed no cases of local recurrence between 3 and 65 months.</p></abstract><trans-abstract xml:lang="ru"><p>Частота рецидива после органосохраняющего лечения у больных раком молочной железы зависит от краев резекции, и при статусе R1 она выше по сравнению с группой R0.Мы проанализировали группу больных раком молочной железы со статусом R1 после органосохраняющих/онкопластических операций. Край резекции R1 выявлен в 62 случаях из 1279 органосохраняющих/онкопластических операций, что составило 4,9 ± 0,6 %. Среди инвазивных опухолей в группе R1 дольковый рак диагностирован в 80 % случаев, а инвазивный рак без признаков специфичности – в 14,8 %.Мы разделили группу реопераций по гистологической структуре по краю резекции: в 28 случаях в крае резекции диагностирован рак in situ, в 13 случаях – инвазивный рак.При раке in situ в крае резекции молочной железы после реоперации не выявлено признаков злокачественности в 14 (50 %) случаях, рак in situ диагностирован в 10 (35,7 %) случаях, инвазивный рак – в 4 (14,3 %).В случае инвазивного рака в крае резекции молочной железы после реоперации не выявлено признаков злокачественности в 4 (30,8 %) случаях, рак in situ диагностирован в 1 (7,7 %) случае, инвазивный рак – в 8 (61,5 %).При динамическом наблюдении за группой R1 после реоперации или после лучевой терапии не выявлено местных рецидивов в период от 3 до 65 мес.</p></trans-abstract><kwd-group xml:lang="en"><kwd>organ-sparing surgeries</kwd><kwd>breast cancer</kwd><kwd>oncoplastic resection</kwd><kwd>resection margins</kwd><kwd>R1</kwd><kwd>R0</kwd><kwd>breast cancer recurrence</kwd><kwd>combination treatment</kwd><kwd>surgical treatment</kwd><kwd>molecular types</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>органосохраняющие операции</kwd><kwd>рак молочной железы</kwd><kwd>онкопластические резекции</kwd><kwd>края резекции</kwd><kwd>R1</kwd><kwd>R0</kwd><kwd>рецидив рака молочной железы</kwd><kwd>комбинированное лечение</kwd><kwd>хирургическое лечение</kwd><kwd>молекулярно-биологические типы</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><citation-alternatives><mixed-citation xml:lang="en">1. 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