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Figure 6: Angiography after the balloon dilation of the MBTS demonstrates improved flow through the MBTS. During the retrograde injection of the contrast into the MBTS, a large mobile thrombus nearly dislodges from the MBTS into the innominate artery (black arow). The RPA has almost complete re-occlusion (white arrows) after angioplasty of the MBTS RPA: Right pulmonary artery, MBTS: Modified Blalock-Taussig shunt

Figure 6: Angiography after the balloon dilation of the MBTS demonstrates improved flow through the MBTS. During the retrograde injection of the contrast into the MBTS, a large mobile thrombus nearly dislodges from the MBTS into the innominate artery (black arow). The RPA has almost complete re-occlusion (white arrows) after angioplasty of the MBTS 
RPA: Right pulmonary artery, MBTS: Modified Blalock-Taussig shunt