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Table 3 L-status and nodal involvement. Positive and negative predictive values.

From: Lymphangiosis carcinomatosa in squamous cell carcinomas of larynx and hypopharynx – value of conventional evaluation and additional immunohistochemical staining of D2-40

   N0 N+  
   n % n % P (Chi-square
conventional L0 43 79.63% 37 56.92% 0.0077
  L1 11 20.37% 28 43.08%  
D2-40 L0 42 77.78% 35 53.85% 0.0059
  L1 12 22.22% 30 46.15%  
either or L0 36 66.67% 23 35.38% 0.00061
  L1 18 33.33% 42 64.62%