Lymphocyte subsets predictive value and possible involvement of human papilloma virus infection on breast cancer molecular subtypes.

Aim: To detect human papilloma virus (HPV) presence and to characterize cellular immune response in breast cancer patients.

Methods: A total of 74 women were included, of which 48 samples were from patients diagnosed with breast cancer and 26 patients with benign pathology of the breast. Molecular subtype classification was performed based on the immunohistochemical reports of the tumor piece.