ESR1 and neoplasm: Tumor cells were negative for SMA, Desmine, S-100, Caldesmon, CD34, AE1/AE3, CD31, ERG, GLUT, D2-40, CD68, CD117, p16 and progesterone receptors while CD 10, estrogene receptors, Cyclin D1, DOG, p53 were positive in tumor cells.