Fig. 1
From: A comprehensive overview of metaplastic breast cancer: clinical features and molecular aberrations
EGFR copy number variant values of mesenchymal TNBC, basal TNBC, and MpBC PDX tumors. Droplet digital PCR was performed using DNA isolated from PDX tumors, and EGFR and RPP30 (reference gene)-specific primers and probes. Red dotted line indicates the normal copy number threshold (CN 2). Pietenpol Classification [42]: BL1, basal-like 1; BL2, basal-like 2; IM, immunomodulatory; LAR, luminal androgen receptor; M, mesenchymal; MSL, mesenchymal-stem like; nd, not determined