27 Matsuo Matsuo K K Fukutomi Fukutomi T T Akashi-Tanaka Akashi-Tanaka S S Hasegawa Hasegawa T T Tsuda Tsuda H H Histological grade, p53, HER2 and hormone receptor status of synchronous bilateral breast carcinoma Histological grade, p53, HER2 and hormone receptor status of synchronous bilateral breast carcinoma Breast Cancer. This evidence concerns the gene NR4A1 and breast carcinoma.