MKI67 and breast cancer: However, BC040587 expression in breast cancer was not associated with other parameters such as age (p = 0.675), tumor location (p = 0.79), tumor size (p = 0.356), ER status (p = 0.828), PR status (p = 0.900), P53 staus (p = 0.217), Ki67 status (p = 0.844), lymph node status (p = 0.489) and TNM stage (p = 0.964) (Table 1).