The four months since she left hospital,her condition kept stable.Therefore,the doctor suggested Mrs.Lo to take the mitral valvuloplasty and the mitrl valve annuloplasty.

• 出院后四个月，病情维持稳定，于是医师建议罗妈妈接受二尖瓣修补手术以及二尖瓣环缩小手术。