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The mutation is in an area of the gene that encodes the protein - binding region known as the pocket region and has been detected in other cases of retinoblastoma . .
 Disease: retinoblastoma
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease 
Text: {0} 
Answer:
 Disease: retinoblastoma