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We have identified three offspring in a hereditary nonpolyposis colorectal cancer family who developed hematological malignancy at a very early age , and at least two of them displayed signs of neurofibromatosis type 1 ( NF1 ) .
 Disease: hereditary nonpolyposis colorectal cancer; Disease: hematological malignancy; Disease: neurofibromatosis type 1; Disease: NF1
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: hereditary nonpolyposis colorectal cancer; Disease: hematological malignancy; Disease: neurofibromatosis type 1; Disease: NF1