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Representative cases of follow-up computed tomography (CT) findings that showed residual left atrial appendage (LAA). (A,B) Patients exhibited the occurrence of ischemic stroke, while (C,D) did not. (A) Residual trabeculated LAA. (B) Left atrial accessory appendage and mitral annular calcification without functional mitral stenosis. (C,D) Remnant LAA pouch.
