Evidence map›Paper›PMID 42050220›Full record

ArticleDiscover oncology2026

Association between molecular subtypes of breast cancer and surgical margin status analysis from Assam, India.

Gayatri Gogoi, Hardik Jeetendra Pandya, Dilip Killing, Gunabhi Ram Das, Mondita Borgohain, Porikhit Borpujari, Meera Suchiang, Merina Yasmin, Pranjal Jyoti Baruah

Abstract read
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Article in Discover oncology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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1 · What the graph read from it

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2 · The registry

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3 · Its place in the literature

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4 · The record

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5 · Who and what money

Authors and funding

9 authors.

Gayatri GogoiDepartment of Pathology, Assam Medical College and Hospital, Dibrugarh, Assam, 786002, India. gayatrigogoi303@gmail.com.
Hardik Jeetendra PandyaDepartment of Electronic Systems Engineering, Indian Institute of Science, Bangalore, 560012, India.
Dilip KillingDepartment of Surgery, Tinsukia Medical College and Hospital, Tinsukia, Assam, 786146, India.
Gunabhi Ram DasDepartment of Surgery, Assam Medical College and Hospital, Dibrugarh, Assam, 786002, India.
Mondita BorgohainDepartment of Pathology, Assam Medical College and Hospital, Dibrugarh, Assam, 786002, India.
Porikhit BorpujariDepartment of Pathology, Assam Medical College and Hospital, Dibrugarh, Assam, 786002, India.
Meera SuchiangDepartment of Pathology, Assam Medical College and Hospital, Dibrugarh, Assam, 786002, India.
Merina YasminDepartment of Pathology, Assam Medical College and Hospital, Dibrugarh, Assam, 786002, India.
Pranjal Jyoti BaruahDepartment of Pathology, Assam Medical College and Hospital, Dibrugarh, Assam, 786002, India.

Funding

Indian Council of Medical Research File no. - 17(3)/Adhoc/81/2022-ITRScience and Engineering Research Board CRG/2019/004963/EEC
6 · The paper itself

Abstract

introductionBreast cancer (BC) is common in young women in India, with 68.8% of cases occurring under 50 years. Key factors regularly evaluated to predict the prognosis and treatment response include tumor size, lymph node, ER, PR, HER2 status, tumor grade, and age. The molecular subtypes Luminal A, Luminal B, HER2- over expressed and triple negative breast cancers carry different treatment plan and prognosis. Regardless of surgical strategy, margin status of the resection specimen remains one of the most important factors of recurrence.

objectiveThis study investigated the association between molecular subtypes and surgical margin status, as well as other prognostic parameters, in women from North Eastern India, where triple negative breast cancer (TNBC) subtype and poor 5-year survival rates are prevalent. METHODOLOGY: This cross-sectional study was conducted at a tertiary care centre in Upper Assam, North East India, from October 2019 to March 2025. BC cases that underwent breast conservative surgery (lumpectomy) or modified radical mastectomy (MRM) and fulfilled the inclusion criteria were included. Tumors were classified into molecular subtypes by immunohistochemistry. Surgical margin status was assessed by histopathological examination, with margins considered positive if neoplastic cells were present at the inked margin. Prognostic parameters with surgical margin status were analyzed using Pearson's Chi-square test and Fisher's exact test.

resultsA total of 155 breast cancer cases were included in the study with average age of 47 years. The distribution of molecular subtypes was: TNBC (36.77%), Luminal A (29.67%), Luminal B (18.06%), and HER2-enriched (15%). Histologic grade III tumors were predominant (58.70%). Total positive margin was 34.83% cases. Positive surgical margins were associated with HER2-enriched subtype (p < 0.05) and grade I tumors. Lymph node involvement was 77%, with stage 2 and 3 accounting for 80.64% of cases.

conclusionOur study highlights the high prevalence of TNBC and the significant association between positive tumor margins and HER2-enriched subtype. The findings emphasize the need for tailored treatment strategies to improve outcomes in this population.

Indexed as

Molecular subtypePrognosisSurgical marginTriple negative breast cancer

Identifiers

PMID42050220
PMCPMC13219645

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