参考文献:[1] Gregoire V, Ang K, Budach W, et al. Delineation of the neck node
levels for head and neck tumors: A 2013 update. DAHANCA,
EORTC, HKNPCSG, NCIC CTG, NCRI, RTOG, TROG
consensus guidelines[J]. Radiother Oncol, 2013,10: [Epub ahead
of print]. [2] van Herk M. Errors and margins in radiotherapy[J]. Semin Radiat
Oncol,2004,14(1): 52-64. [3] Grégoire V, Levendag P, Ang KK, et al. CT-based delineation
of lymph node levels and related CTVs in the node-negative
neck: DAHANCA, EORTC, GORTEC, NCIC,RTOG consensus
guidelines[J]. Radiother Oncol,2003, 69(3): 227-36. [4] Grégoire V, Eisbruch A, Hamoir M, et al. Proposal for the
delineation of the nodal CTV in the node-positive and the postoperative neck[J]. Radiother Oncol,2006,79(1): 15-20.[5] Apisarnthanarax S, Elliott DD, El-Naggar AK, et al. Determining
optimal clinical target volume margins in head-and-neck cancer
based on microscopic extracapsular extension of metastatic neck
nodes[J]. Int J Radiat Oncol Biol Phys,2006,64(3): 678-83. [6] Ghadjar P, Simcock M, Schreiber-Facklam H, et al. Incidence
of small lymph node metastases with evidence of extracapsular
extension: clinical implications in patients with head and
neck squamous cell carcinoma[J]. Int J Radiat Oncol Biol
Phys,2010,78(5): 1366-72. 终点不是梦，重点是突破，仅供学习，不妥之处，敬请指正！
