Figure 2

The impact of primary tumor resection on the survival outcomes of kidney cancer patients with bone metastasis. Kaplan–Meier survival curves of OS before PSM (A) and after PSM (B) and of CSS before PSM (C) and after PSM (D) in the PTR and non-PTR groups. OS overall survival, CSS cancer specific survival, PSM propensity score matching, PTR primary tumor resection.