3665
Twelve patients with Grade III or IV astrocytomas were treated after partial resection of the tumor without prior radiation therapy .
 Disease: astrocytomas; Disease: tumor
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
 Entities: astrocytomas, tumor 
Answer:
 Disease: astrocytomas; Disease: tumor