The document discusses the procedure and nursing policy for I-125 prostate seed implantation for prostate cancer treatment. It involves surgically implanting 60-120 radioactive iodine-125 seeds in the prostate gland under ultrasound guidance. The nursing policy outlines post-operative management, which includes monitoring for dislodged seeds, disposing of waste, and providing radiation safety education to patients and visitors regarding contact precautions during the first two months of recovery. A quiz is also included to test nursing staff's knowledge of radiation safety procedures for this treatment.