1615
CONCLUSION : Patients wit clinically palpable neck disease ( N1 - 3 ) , histological evidence of metastatic nodal disease , extracapsular spread , and three or more positive lymph nodes are at greater risk of developing failure at distant sites .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 None