Effect of neoadjuvant immunotherapy and targeted therapies on surgical resection in patients with solid tumors: A systematic review and meta-analysis.

e16656 Background: Neoadjuvant immunotherapy with anti-programmed cell death protein-1 (PD-1) or anti-programmed cell death ligand-1 (PD-L1) and tyrosine kinase inhibitor (TKI) therapy is currently being used to treat certain solid tumours prior to surgery. Neoadjuvant therapy may cause delays to resection potentially losing a window of opportunity. We explored the pooled proportion of patients with solid tumours receiving …