ESR1 and neoplasm: When correlating ER, PR, HER2neu with ki67, 116 women were found to be high risk for ki67, 90 out of which were found to have a serum Beta hCG value of > 2mIU/mL, thereby indicating that 75% of such women had a strong correlation between ki67 tumour marker and Beta hCG, giving a p value of 0.33 which is significant.