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FIG 3. Focal attenuation of SMCV. A, Large single SMCV. B, Focal attenuation of midportion of SMCV (arrow). The entire extent of the vein fills.
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FIG 3. Focal attenuation of SMCV. A, Large single SMCV. B, Focal attenuation of midportion of SMCV (arrow). The entire extent of the vein fills.
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