To this end, we generated WapCre;Brca1F/F;Trp53F/F;Col1a1invCAG-MycERT2-IRES-Luc/+ (WB1P-MycERT2) GEMMs and investigated tumor growth and immune infiltration at different time points after MYC induction via tamoxifen administration. Here, MYC is linked to neoplasm.