54014
Radiographic Findings Causes Cerebellopontine angle tumors Treatment : Medical Therapy Acoustic neuromas are managed in one of the following 3 ways : ( 1 ) surgical excision of the tumor , ( 2 ) arresting tumor growth using stereotactic radiation therapy , or ( 3 ) careful serial observation .
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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: location, person, organization 
Text: {0} 
 Entities:  
Answer:
 None