| Label | Id | |
|---|---|---|
| benign neoplasm of the trachea | 21517 | |
| benign trachea neoplasm | 21517 | |
| benign tracheal neoplasm | 21517 | |
| trachea benign neoplasm | 21517 | |
| benign tumor of the trachea | 21517 | |
| benign neoplasm of trachea | 21517 | |
| benign tumor of trachea | 21517 | |
| benign trachea tumor | 21517 | |
| benign tracheal tumor | 21517 |