IL22 and necrotizing enterocolitis: There was no difference in IL‐22 levels in NEC compared to breastfed controls (p = 0.2430) but was significantly increased in NEC + CS compared to NEC alone (p < 0.0001; [BF Ctrl = 16.93[10.56–40.62], NEC = 11.12[5.780–34.88], and NEC + CS = 108.6[44.8–265.3] Figure 10d).