The N-Classification for Esophageal Cancer Staging: Should it be Based on Number, Distance, or Extent of the Lymph Node Metastasis?

@article{Xu2011TheNF,
  title={The N-Classification for Esophageal Cancer Staging: Should it be Based on Number, Distance, or Extent of the Lymph Node Metastasis?},
  author={Qi-rong Xu and Xue-peng Zhuge and He-lin Zhang and Yu-min Ping and Long-Qi Chen},
  journal={World Journal of Surgery},
  year={2011},
  volume={35},
  pages={1303-1310}
}
The recently published AJCC-TNM staging system for esophageal carcinoma made an obvious modification on N-classification based on the number of metastatic regional lymph nodes (LN). However, this classification might ignore the site at which these LNs occur, a factor that might be even more important in reflecting patients’ prognosis. A retrospective study of 236 patients with carcinoma of thoracic esophagus who underwent esophagectomy between 1984 and 1989 with each at least six LNs removed… CONTINUE READING

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