NS: not specified; ECHO: echocardiogram; CT: computerized tomography; E: estrogen; P: progesterone; Her 2: human epidermal growth factor receptor 2; *: In addition, four patients had systemic chemotherapy; ↕: death was related to re-accumulation of pericardial effusion and recurrence of tamponade. The gene discussed is ERBB2; the disease is pericardial effusion.