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We have analyzed the 27 exons and the promoter region of the RB1 gene in familial or sporadic bilateral retinoblastoma by using single - strand conformation polymorphism analysis .
 Disease: familial or sporadic bilateral retinoblastoma
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: familial or sporadic bilateral retinoblastoma 
Answer:
 Disease: familial or sporadic bilateral retinoblastoma