Rather than try to lie about it, I'll admit I never heard of CD-117.

Protein Reviews on the Web:
http://www.ncbi.nlm.nih.gov/prow/cd/cd117.htm

CD117 is ectopically expressed in small cell lung cancer (Hibi K et al. 1991) 
CD117 is mutated and constitutively active in systemic mastocytosis arising 
from myelodysplastic syndrome (Nagata H et al. 1995)

and a great deal of fascinating basic science beyond the ken of an elderly 
pathologist

Bob Richmond
Samurai Pathologist
Knoxville TN