ERH expression in breast and ovarian cancer and normal tissue, analyzed by Northern blot. ERH was expressed in all malignant and normal tissue samples. In both tumour entities, ERH expression was stronger in all tumour samples as compared with matched and non-matched normal tissue samples. Upper panel: breast cancer; lower panel: ovarian cancer. IDC: invasive ductal carcinoma; SPCA: serous papillary cystadenocarcinoma; PCA: papillary cystadenocarcinoma; GPCT: granulosa-theca cell tumour; AC: adenocarcinoma.