CRP - C-reactive protein. ESR - erythrocyte sedimentation rate. IS - infectious serology. BC - blood culture. CBC – complete blood count. CK - creatine kinase. cTn - cardiac troponins. RFT - renal function tests. LFT - liver function tests. BNP – B-type natriuretic peptide. TFT - thyroid function tests. HbA1c - haemoglobin A1c. eGFR – estimated glomerular filtration rate. This evidence concerns the gene CRP and breast cancer.