From: Distribution pattern and prognosis of metastatic lymph nodes in cervical posterior to level V in nasopharyngeal carcinoma patients
Variable
5-year OS
5-year PFS
5-year LRFS
5-year DMFS
%
P
PLV (+) (n = 26)
41.8
0.007
27.8
0.005
92.3
0.521
40.6
< 0.001
PLV (−) (n = 60)
67.3
48.5
80.5
78.4