Abstract
Breast cancer is a leading health concern in India, comprising 25% of female cancers with significant mortality. This study was conducted at the Cancer Research Institute in the Northern Sub-Himalayan region of India from 2016 to 2021, evaluated 674 breast cancer cases to analyze factors that influence recurrence. Retrospective clinical audit assessing patients' survival outcomes using Kaplan-Meier curves and Cox proportional hazard regression. Factors including age, molecular subtype, TNM staging, and treatment modalities were evaluated. Notable findings include a high occurrence of breast cancer in young patients (24.48% ≤ 40 years) and varying recurrence rates among molecular subtypes withhuman epidermal growth factor receptor 2 neu-enriched (25.24%) and triple‑negative breast cancer (22.58%) being the most common. Advanced T and N stages, neoadjuvant chemotherapy, and the number of nodes dissected showed significant associations with higher recurrence rates. This study sheds light on survival and recurrence patterns in Northern Sub-Himalayan breast cancer patients, emphasizing the need for tailored treatment strategies, comprehensive follow-up care, with improved understanding of regional outcomes. These findings contribute valuable insights for optimizing patient care and improving survival rates in this region.
Published Version
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