Figure 3. Expression of AQP4-AS1 according to immunohistochemical (IHC) markers, stage and size of tumor. A. Epidermal growth factor receptor 2 (HER2) status, B. Stage of disease and C. Size of Tumor, dates from TCGA RNA-seq data. * p < 0.05, ** p < 0.001 *** p < 0.0004.