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Table 1 Patient and tumor characteristics

From: Neck control after definitive radiochemotherapy without planned neck dissection in node-positive head and neck cancers

Variable No. %
Age (years) Median 57 (range 38-74)  
Gender   
   Male 41 82
   Female 9 18
Primary site   
   Nasopharynx 25 50
   Oropharynx 12 24
   Hypopharynx 9 18
   Larynx 4 8
T classification   
   1 14 28
   2 19 38
   3 8 16
   4 9 18
N classification   
   1 12 24
   2 30 60
   3 8 16
Stage   
   2 7 14
   3 14 28
   4 29 58
Histology   
   Squamous cell carcinoma 25 50
   Nonkeratinizing undifferentiated carcinoma 22 44
   Nonkeratinizing differentiated carcinoma 1 2
   Keratinizing squamous cell carcinoma 2 4
Differentiation   
   Well differentiated 3 6
   Moderate differentiated 8 16
   Poorly differentiated 6 12
   Undifferentiated 22 44
   Not available 11 22
Initial maximal lymph node size (cm) Median 2 (range 1-7)