<qa>  What is the current prostate-specific antigen?- Patient has a history of other malignancies unless has undergone definitive treatment more than 5 yrs prior to study and without evidence of recurrent malignant disease excluding basal cell carcinoma of the skin; superficial carcinoma of the bladder; carcinoma of the prostate with a current prostate-specific antigen 0.1 ngmL; or cervical intraepithelial neoplasia. 