985
BACKGROUND AND OBJECTIVES : Even though the pathological background contributes to lymph node metastasis , the biological characteristics of tumors have also gained wide attention .
 Anatomy: lymph node; Anatomy: tumors
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Anatomy 
Text: {0} 
Answer:
 Anatomy: lymph node; Anatomy: tumors