core + health-lifesci ():

subStageSuffix

Defined in the health-lifesci.schema.org extension.
Canonical URL: http://schema.org/subStageSuffix

Thing > Property > subStageSuffix

The substage, e.g. 'a' for Stage IIIa.

Usage: Fewer than 10 domains
Values expected to be one of these types
Text
Used on these types
MedicalConditionStage

Schema Version 3.2