Contents: Location of Polish
Primary Key: Number
Parent Table: none
Columns:
| Name | Type | Size |
| number | Number (Byte) | 1 |
| modification_locn | VARCHAR | 50 |
| Number | modification location |
| 1 | lateral only |
| 2 | distal only |
| 3 | lateral and distal |
| 4 | bi-lateral |
| 5 | bi-lateral and distal |