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0C7M Pharynx
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0C7M0 Open
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0C7M0D Intraluminal Device
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0C7M0Z No Device
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0C7M3 Percutaneous
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0C7M3D Intraluminal Device
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0C7M3Z No Device
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0C7M4 Percutaneous Endoscopic
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0C7M4D Intraluminal Device
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0C7M4Z No Device
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0C7M7 Via Natural or Artificial Opening
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0C7M8 Via Natural or Artificial Opening Endoscopic
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