单侧的

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病例7四腔心切面显靠近主动脉（红色）处额外一条脉（紫色）。这条血管是下腔脉中断侧延续。