Objectives: To evaluate interleukin-1 and TNF- α serum levels and their single nucleotide gene polymorphisms (SNPs) association in patients with chronic rhinosinusitis. Methods: A case-control study performed between June 2022 and March 2023 at Benha University Hospitals, Benha, Egypt. 50 patients with chronic rhinosinusitis (CRS) with nasal polyps (Group 1), 50 patients with CRS without nasal pol...