The prognostic value of HER2 in gastroesophageal adenocarcinoma - a meta-analysis.
BACKGROUND HER2 amplification and overexpression are predictive markers for HER2-targeted therapies in gastroesophageal adenocarcinoma. However, unlike in breast cancer, the prognostic significance of HER2 status in this disease remains uncertain, with conflicting evidence across studies. METHODS We conducted a syste...