APOBEC3B and squamous cell lung carcinoma: APOBEC3B is generally expressed at higher levels than other APOBEC3 family members, and an analysis of multiple cancers detected enrichment of APOBEC3B in eight tumor types: bladder, breast, head and neck, lung adenocarcinoma, lung squamous cell carcinoma, prostate, clear cell renal, and uterine [34].