GTV怎么记

Conclusion PET/ CT is useful for improving the accuracy of GTV delineation for the protection of the normal tissues during radiotherapy.

结论PET/CT图像融合能提高骨转移瘤GTV勾画的精确性和重复性，从而减少对周围正常组织损伤而增加放射治疗的增益比。

To investigate the impact of gross tumor volume ( GTV) on the short-term response of radiotherapy for esophageal carcinoma.

观察食管癌大体肿瘤体积（GTV）大小对放射治疗近期疗效的影响。

Results The dose distribution in nasopharyngeal GTV and CTV were satisfactory both in CT simulated and conventional planning.

结果不论是CT模拟计划还是常规模拟计划，鼻咽GTV和CTV均可有满意的剂量分布。