If positive, which immunohistochemical stain supports further evaluation with colonoscopy and cystoscopy?
A. CK20
B. Congo Red
C. S100
D. CD34
E. Neuron specific enolase
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If positive, which immunohistochemical stain supports further evaluation with colonoscopy and cystoscopy?
A. CK20
B. Congo Red
C. S100
D. CD34
E. Neuron specific enolase