Which one of the listed individuals is most likely to have a tumor that has a histologic appearance characterized by undifferentiated mesenchymal cells with immature tubules and aboive glomerular formation?
A
A 2-week-old infant with a midepigastric mass, projectile vomiting, and normal urinary hydroxy-indoleacetic acid (HIAA)
B
An 8-month-old infant with an abdominal mass and normal urinary vanillylmandelic acid (VMA)
C
A 14-month-old infant with an abdominal mass and increased urinary VMA
D
A 39-year-old female with abdominal cramps, watery diarrhea, periodic facial flushing, wheezing, and increased urinary HIAA