ERBB2 and triple-negative breast carcinoma: It is shown that triple-negative breast cancer and Her2 tumors present increased deposition of collagen and enhanced invasion with CAFs (Lochter and Bissell, 1995; Kular et al., 2014; Insua-Rodriguez and Oskarsson, 2016; Zheng et al., 2017; Henke et al., 2019).