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FIG 2. Patient 3.

A, Axial view T2*-weighted gradient-echo image (710/27.6/2), obtained 1 week before double valve replacement, shows no apparent abnormalities.

B, Axial view T2*-weighted gradient-echo image (710/27.6/2), obtained 5 months after successful double valve replacement, shows one of the two large black holes (arrow)