The average length of myocardial sleeves in the right lower,the right upper, the left upper and the left lower pulmonary vein was 9.0±. mm,.9± .8 mm,. ± .88 mm,.±. mm respectively;
The average length of myocardial sleeves in the right lower,the right upper, the left upper and the left lower pulmonary vein was 9.0±. mm,.9± .8 mm,. ± .88 mm,.±. mm respectively;
右下、右上、左上、左下肺静脉肌袖长度平均分别为 9.0 ± . mm、 . 9± .8 mm、 . ± .88m m、 .± .m m;