This is the classic finding of a persistent left superior vena cava.
这是典型的永存左位上腔静脉。
Objective To study the ultrasonic feature of persistent left superior vena cava and its clinic value.
目的探讨永存左上腔静脉的超声表现及临床意义。
Fig 6 Case 15. Persistent left superior vena cava, the communicating branch between the bilateral superior vena cava.
图6病例15，永存左上腔静脉，双侧上腔静脉间见交通支。
Fig 6 Case 15. Persistent left superior vena cava, the communicating branch between the bilateral superior vena cava.
图6病例15，永存左上腔静脉，双侧上腔静脉间见交通支。
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