Breast cancer incidence in Greek women in relation to ABO blood groups and Rh factor.

AIM: To investigate the correlation between breast cancer in Greek women and ABO blood groups. MATERIAL-METHODS: In 166 female patients with breast cancer factors such as blood group, histological type, family history, presence or absence of nodal and/or distant metastases were examined. These patients had similar demographic, clinical, surgical, immunohistochemical, laboratory, and follow-up data and this group is representative of general population of women in Greece. RESULTS: The ductal type of breast cancer was differentially distributed in blood groups Rh (+) (P