APOBEC3A and metastatic malignant neoplasm in the lymph nodes: High APOBEC3A expression was associated with advanced International Federation of Gynecology and Obstetrics (FIGO) staging (χ2 = 12.931, P = 0.002), lymph node metastasis (χ2 = 4.156, P = 0.041), and pathological histological hypofractionation (χ2 = 5.911, P = 0.015) in cervical cancer patients (Supplementary Table S1).