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Angiograms of control animal 3 (no elastase).
A, Anteroposterior view IV DSA obtained 3 days after surgery. There is a small, slitlike opening at the stump of the right CCA (straight arrow).
B, Anteroposterior view IV DSA obtained 4 weeks after surgery. There has been progressive decrease in the size of the stump of the CCA (curved arrow).
