02BW4
| Pos | Category | Selected Element & Definition |
|---|---|---|
| 0 | Section |
Medical and Surgical
|
| 2 | Body System |
Heart and Great Vessels
|
| B | Operation |
Excision
Cutting out or off, without replacement, a portion of a body part
|
| W | Body Part |
Thoracic Aorta, Descending
|
| 4 | Approach |
Percutaneous Endoscopic
|