5108
Positions of the chromosome 22 breakpoints were determined for 19 Ewing tumors .
 Disease: Ewing tumors
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Disease 
Text: {0} 
 Entities: Ewing tumors 
Answer:
 Disease: Ewing tumors