In contrast, in a study of 202 HER2+ breast cancer patients in Belgium, high β2AR was associated with improved disease‐free survival (HR 0.52; 95% CI 0.32–0.84; p = 0.0068), decreased expression of angiogenesis and proliferation‐related genes and increased immune mediators [12]. This evidence concerns the gene ERBB2 and breast carcinoma.