Estrogen receptor status of advanced breast cancer immediately before chemotherapy does not predict for response.
D001943:Breast Neoplasms / Q000188:drug therapy / Q000378:metabolism*; D004359:Drug Therapy, Combination; D006801:Humans; D008875:Middle Aged; D011379:Prognosis; D011960:Receptors, Estrogen / Q000378:metabolism*
D011960:Receptors, Estrogen