Methods Thirty-six patients of rectal cancer were treated by high intensity focused ultrasound therapy machine(FEP-BY01) from 1999 to 2002,the local curative effect was evaluated after treatment.

• 方法自1999年1月至2002年5月应用FEP-BY01高能聚焦超声热疗机治疗36例直肠癌,治疗后评价局部疗效。