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A list of procedures carried out in a Cath Lab includes : Projections Any combination of the following views are used in visualising the Coronary Arteries : As a general rule , cranial views are best used to demonstrate the Left Anterior Descending Artey or ' LAD ' , and caudal views are best used to demonstrate the Circumflex Artery .
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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