Fig. 5

Forest plot of meta-analysis of progression-free survival (PFS) based on based on presence of de novo metastasis between patients receiving immunotherapy plus chemotherapy (ICT) and CT alone. Immunotherapy mainly consisted of PD-1/PD-L1 inhibitors. The PFS data for recurrent mTNBC patients in KEYNOTE-355 study was reported based on recurrence within 12 months (KEYNOTE-355) and beyond 12 months (KEYNOTE-355*). KEYNOTE-355 study reported the recurrent mTNBC patients based on 12 months