BCL2L12 and chronic rhinosinusitis with nasal polyps: In addition, elevated levels of Bcl2L12 could expedite the production and secretion of chemokines by eosinophils, thereby facilitating their migratory infiltration.26, 27, 28 Importantly, extensive literature underscores eosinophilic infiltration and Th2 inflammation as established risk factors for CRSwNP recurrence following surgical intervention.29, 30, 31 Notably, eosinophilic infiltration into tissue emerges as a pivotal contributor to CRSwNP recurrence.