MYC and breast cancer: c-Myc is one of the molecular biomarkers that has been studied as a prognostic marker of BC since 90s until now, however controversies exist pertaining to its prognostic value in BC (Lipponen, 1995; Schmitz-Drager et al., 1997; Zaharieva et al., 2005; Massari et al., 2015; Li et al., 2016).