Breast Neoplasms/genetics; Carcinoma, Ductal, Breast/genetics; Carcinoma, Lobular/genetics; DNA Repair/genetics; Estrogen Receptor alpha/metabolism; Estrogens/metabolism; Adenocarcinoma/genetics; Adenocarcinoma/metabolism; Adenocarcinoma/pathology; Breast Neoplasms/metabolism; Breast Neoplasms/pathology; Carcinoma, Ductal, Breast/metabolism; Carcinoma, Ductal, Breast/pathology; Carcinoma, Lobular/metabolism; Carcinoma, Lobular/pathology; DNA-(Apurinic or Apyrimidinic Site) Lyase/genetics; DNA-(Apurinic or Apyrimidinic Site) Lyase/metabolism; DNA-Binding Proteins/genetics; DNA-Binding Proteins/metabolism; Female; Flap Endonucleases/genetics; Flap Endonucleases/metabolism; Humans; Longitudinal Studies; Neoplasm Grading; Neoplasm Staging; Prognosis; Proportional Hazards Models; Survival Rate; Uracil-DNA Glycosidase/genetics; Uracil-DNA Glycosidase/metabolism; X-ray Repair Cross Complementing Protein 1