An indication of whether there is perineural invasion (PNI) into the nerve bundles during an Urological Cancer Care Spell.
National Codes:
| Y | Yes - there is perineural invasion (Present) | 
| N | No - there is no perineural invasion (Not identified) | 
This attribute is also known by these names:
| Context | Alias | 
|---|---|
| plural | PERINEURAL INVASION INDICATORS FOR UROLOGICAL |