Abbreviations
- NPC:
-
nasopharyngeal carcinoma
- IMRT:
-
intensity-modulated radiotherapy
- GTV:
-
gross tumor volume
- nx:
-
nasopharynx
- nd:
-
lymph node
- rpn:
-
retropharyngeal lymph node
- R:
-
right
- L:
-
left
- CTV:
-
clinical target volume
- Dmean:
-
mean dose
- OARs:
-
organs at risk
- LRRFS:
-
locoregional failure-free survival
- DMFS:
-
distant failure-free survival
- OS:
-
overall survival
- RTOG:
-
Radiation Therapy Oncology Group