1.   The authors indicate therefore that excesses of prostatic cancer in industrial workforces are unlikely to be due to external radiation.

2.   A third study from Canada is comparing external radiation and a technique to freeze the prostate known as cryotherapy.

3.   About half of patients will need external radiation to supplement the work of the seeds .

4.   In contrast to the enthusiasm over seed implants, some doctors think external radiation has been undervalued.

5.   In September, doctors implanted radioactive seeds in his prostate, then began daily external radiation, which is to last for two more weeks.

6.   In the absence of definitive survival data, studies of PSA levels have been reassuring to the advocates of external radiation.

7.   The Seattle authors claim this record puts the new treatment on a par with radical prostatectomy and makes it superior to external radiation.

8.   The second form is external radiation.

9.   The three leading treatments are surgery, external radiation therapy and implantation of radioactive seeds.

10.   The treatment, called seed implant therapy, offers a quicker, more comfortable and less costly alternative to surgery or external radiation for some prostate cancer patients.