Nicholas J. Tsavaris

Metastatic HER2-positive breast cancer in a 19-year-old woman following a 4-year diagnostic delay: a case report

Background Breast cancer in adolescents and young adults (AYA) under age 30 is exceedingly rare, representing a very small proportion of all breast cancer cases. When it occurs, it demonstrates more aggressive biological behavior with higher rates of advanced-stage disease and poorer outcomes compared to older populati...