PROS1 and hyperinsulinemic hypoglycemia, familial, 4: Cardioembolism due to dilated cardiomyopathy, atrial fibrillation, protein S deficiency, protein C deficiency, hypercoagulability, abdominal lymphomas, and disseminated Kaposi's sarcomas were common in this study as reported by other studies [3, 4, 19–23].