Fig. 1
From: The mode of progressive disease affects the prognosis of patients with metastatic breast cancer
Kaplan–Meier curves for patients with an increase in the size of existing lesions (IS) and the appearance of new lesions (NL). The survivals after PD at (a) first-line chemotherapy, (b) second-line chemotherapy, (c) third-line chemotherapy, (d) first-line hormone therapy, (e) second-line hormone therapy, and (f) third-line hormone therapy