Fig. 2: Kaplan-Meier curves of progression-free survival (PFS) and overall survival (OS) in the full cohort of ExR, ExS and STR patients.

A Progression-free survival (PFS); B Overall survival (OS); time since first trastuzumab for metastatic disease in months for exceptional responders (ExR, green line), exceptional survivors (ExS, blue line) and short-term responders (STR, yellow line).