HSPA1A and breast carcinoma: Circulating Hsp70 levels have shown potential as a valuable biomarker in various human cancer entities including colorectal, lung, and mammary carcinoma (Breuninger et al. 2014; Werner et al. 2021) and can predict its progressive capacity (Jagadish et al. 2016; Krawczyk et al. 2020; De Freitas et al. 2022).