1189
The Stryker frame modification to the standard Dornier HM3 lithotriptor allows for improved visualization and easier localization of distal ureteral calculi compared to the standard gantry .
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Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
 Entities:  
Answer:
 None