6.

本研究与另外两项前瞻性研究的比较

Comparison between this study and other two prospective trials

Investigators	No. of patients	Simulation method	Overall target definition
Hu et al	77	3D	Post- or pre-chemotherapy tumor extent, omission of ENI
Kies et al[18]	494	2D	Post- or pre-chemotherapy tumor extent, “abnormal appearing lung”，mediastinal, “low” supraclavicular fossa
De Ruysscher et al[19]	27	3D	Pre-chemotherapy tumor extent, omission of ENI