Ashok Kumar Sah1,*, Ranjay Kumar Choudhary1,2, Velilyaeva Alie Sabrievna3, Karomatov Inomdzhon Dzhuraevich4, Anass M. Abbas5, Manar G. Shalabi5, Nadeem Ahmad Siddique6, Raji Rubayyi Alshammari7, Navjyot Trivedi8, Rabab H. Elshaikh1
Oncology Research, Vol.34, No.1, 2026, DOI:10.32604/or.2025.068238
- 30 December 2025
Abstract Male breast cancer (MBC) is rare, representing 0.5%–1% of all breast cancers, but its incidence is increasing due to improved diagnostics and awareness. MBC typically presents in older men, is human epidermal growth factor receptor 2 (HER2)-negative and estrogen receptor (ER)-positive, and lacks routine screening, leading to delayed diagnosis and advanced disease. Major risk factors include hormonal imbalance, radiation exposure, obesity, alcohol use, and Breast Cancer Gene 1 and 2 (BRCA1/2) mutations. Clinically, it may resemble gynecomastia but usually appears as a unilateral, painless mass or nipple discharge. Advances in imaging and liquid biopsy have More >