Of 83 patients who underwent prostate brachytherapy from 1998 to 2000, 58 had a chest X-ray 15 to 90 days later, which showed seed migration to the lungs in 21 patients (36.2%).

• 83位在2000-1998年间进行前列腺短距离放射放射治疗的患者中，有58人在15-90天后，进行了胸部X-线检查，结果显示，有21位元患者(36.；2%25)肺部出现迁移的放射性粒子。