0B770
| Pos | Category | Selected Element & Definition |
|---|---|---|
| 0 | Section |
Medical and Surgical
|
| B | Body System |
Respiratory System
|
| 7 | Operation |
Dilation
Expanding an orifice or the lumen of a tubular body part
|
| 7 | Body Part |
Main Bronchus, Left
|
| 0 | Approach |
Open
|