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B50R Pulmonary Vein, Left
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B50R0 High Osmolar
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B50R0Z None
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B50R0ZZPlain Radiography of Left Pulmonary Vein using High Osmolar Contrast
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B50R1 Low Osmolar
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B50R1Z None
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B50R1ZZPlain Radiography of Left Pulmonary Vein using Low Osmolar Contrast
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B50RY Other Contrast
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B50RYZ None
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B50RYZZPlain Radiography of Left Pulmonary Vein using Other Contrast
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