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0NCG Ethmoid Bone, Left
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0NCG0 Open
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0NCG0Z No Device
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0NCG0ZZExtirpation of Matter from Left Ethmoid Bone, Open Approach
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0NCG3 Percutaneous
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0NCG3Z No Device
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0NCG3ZZExtirpation of Matter from Left Ethmoid Bone, Percutaneous Approach
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0NCG4 Percutaneous Endoscopic
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0NCG4Z No Device
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0NCG4ZZExtirpation of Matter from Left Ethmoid Bone, Percutaneous Endoscopic Approach
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