Fig. 3: PFS and OS durations in HR+/HER2− mBC patients treated with the mTORi everolimus and ET.

A PFS duration in 2L+. B OS duration in 2L+. IDC invasive ductal carcinoma, ILC invasive lobular carcinoma, mixed mixed invasive ductal and lobular carcinoma, PFS progression-free survival, OS overall survival, mTORi mammalian target of rapamycin inhibitor, ET endocrine therapy, 2L+ second line and beyond, HR+ hormone receptor-positive, HER2− human epidermal growth factor receptor 2-negative.