To examine serum paraoxonase 1 and 3 activities in benign and malignant diseases of the prostate, and changes in levels following robotic-assisted laparoscopic radical prostatectomy.

To examine serum paraoxonase 1 and 3 (PON1 and PON 3) activities in benign and malignant diseases of the prostate, to determine lipid profile and malondialdehyde (MDA) levels, and to investigate changes in levels following robotic-assisted laparoscopic radical prostatectomy (RALRP).