RESULTS: PDT resulted in condensation of mitochondria,reduction of rough endoplasmic reticulum, dilation of smooth endoplasmic reticulum,breakup of nuclear membrane and pyknosis of nucleolus.

• 结果： 电镜下可见实验组食管癌细胞出现线粒体固缩，粗面内质网减少，滑面内质网扩张，核膜断裂，核仁固缩。