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However , a defective G2 - M checkpoint in these cells is accompanied by extensive chromosomal abnormalities .
 Disease: chromosomal abnormalities
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: chromosomal abnormalities 
Answer:
 Disease: chromosomal abnormalities