<qa>  How long will the phone interviews last?You will be asked to take part in six telephone interviews regarding quality of life, possible therapy side effects, and satisfaction with prostate cancer therapy. Each phone interview should last 15-25 minutes. All questions are voluntary. The phone interviews will be conducted: prior to beginning treatment prostatectomy; 2 months, 6 months, 12 months, 18 months, and 24 months after prostatectomy; 10 additional phone interviews may be conducted once a year thereafter, for possibly up to 12 years. 