azygous

Figure 9. Case 7. Additional vessel (purple) behind the 4-chamber view next to the aorta (red). This vessel represents an azygous or hemizygous continuation of an interrupted inferior vena cava.

图9病7四腔心面显示靠主动脉（红色）处额外一条静脉（紫色）。这条血管表示是下腔静脉中断后在单侧延续。