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Table 2 Results of assessment of L-status conventionally and immunohistochemically in both groups.

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

   Larynx (n = 70) Hypopharynx (n = 49)  
   n % n % P (Chi-square)
conventional negative 51 72.86% 29 59.18% 0.12
  positive 19 27.14% 20 40.82%  
D2-40 negative 45 64.29% 32 65.31% 0.91
  positive 25 35.71% 17 34.69%  
either or negative 36 51.43% 23 46.94% 0.63
  positive 34 48.57% 26 53.06%  
discrepancy no 46 65.71% 34 69.39% 0.67
  yes 24 34.29% 15 30.61%  
D2-40 positive in conventionally L0 15 21.43% 6 12.24% 0.19