242016
There are two areas where emboli can form and therefore impact : Indications Surgical embolectomy for massive pulmonary embolism ( PE ) has become a rare procedure and is often viewed as a last resort .
 None
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