Thread-like strand from right atrium into right ventricle as leader of freely moving ball thrombus.
D000328:Adult; D001344:Autopsy; D006332:Cardiomegaly; D009202:Cardiomyopathies / Q000235:genetics / Q000473:pathology*; D004562:Electrocardiography; D006321:Heart / Q000000981:diagnostic imaging / Q000196:embryology; D006352:Heart Ventricles / Q000473:pathology; D006529:Hepatomegaly; D006801:Humans; D008168:Lung / Q000000981:diagnostic imaging; D008297:Male; D011859:Radiography; D013927:Thrombosis / Q000473:pathology*