KLK3 and posterior cortical atrophy: Important future studies with larger sample size should be performed to determine whether anti-cyclin B1 autoantibody might be useful in identifying early PCa in high-risk individuals and whether it could be used as supplementary serological marker for the early diagnosis of PCa, in combination with PSA and digital rectal examination, or for disease recurrence after treatment with surgery, hormonal therapy, or chemotherapy.