Difference in Outcome between Luminal A, Luminal B in Early Stage Breast Cancer Retrospective Study

Abstract

Background: Breast carcinoma is the most prevalent carcinoma in female worldwide, about 2.3 million new breast carcinoma cases and 685,000 breast carcinoma deaths worldwide in 2020. These tumors are heterogeneous in terms of histology (mainly ductal, lobular, mixed ductal and lobular, cribriform, mucinous, medullary, and tubular carcinomas), natural history, and response to treatment. Objective: To find retrospectively prognostic parameter difference between breast carcinoma subtypes Luminal A, Luminal B. and 5-year rates of (OS), (DFS) in female diagnosed with luminal early-stage breast carcinoma at clinical oncology department, faculty of Medicine, Beni-Suef University Hospital from Jan 2015 till December 2019. Patients and Methods: the current study is retrospective cross-sectional, conducted in Clinical Oncology Department in Beni-Suef University from Jan 2015 till Dec 2019. Results: There was significantly difference between luminal A, luminal B regarding age, as most patients more than 60 yrs old had luminal A breast cancer. There no significantly differences between luminal A, luminal B regarding DFS,OS but time of DFS, OS in luminal A was longer,as luminal A is