Finally, stromal CD66b+ neutrophils and myeloperoxidase/citrullinated histone H3 (MPO/H3Cit)-labeled neutrophil extracellular trap (NETs) have been recently identified as an independent prognostic factor for recurrence-free survival (RFS) in cervical cancer (Yan et al., 2021). Here, MPO is linked to cervical carcinoma.