This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Oncology, Subject name: Surgery
Currarino triad includes: 
Select and explain. 
A. Pre-sacral meningocele + Sacral defect + Tethered cord, B. Ectopia vesicae + Anorectal malformation + Sacrococcygeal osseous defect, C. Anorectal malformations + Sacrococcygeal osseous defect + Presacral mass, D. Tethered cord + Anorectal malformations + Ectopia vesicae
C: Anorectal malformations + Sacrococcygeal osseous defect + Presacral mass
Answer: C: Anorectal malformations + Sacrococcygeal osseous defect + Presacral mass 
Explanation: Currarino triadorASP triad: - Anorectal malformation or congenital anorectal stenosis - Sacrococcygeal osseous defect (always present) - Classically, hemisacrum with intact first sacral veebra ("sickle-shaped sacrum") - Mild (hypoplasia) to severe (agenesis) of sacrum and coccyx - Presacral mass (various types) - Anterior sacral meningocele - Tumor, e.g. mature teratoma - Dermoid/epidermoid cyst