A 50-year-old man comes to the physician for a 4-month history of fatigue and periodic headaches, and a 1-month history of abdominal pain. He has no past medical history. Vitals are normal. Physical examination shows a 2-cm left periumbilical mass. Biopsy is shown. Which of the following is the most likely explanation for these findings?
t(9;22) translocation
t(14;18) translocation
Adrenal medullary hypersecretion
Defective DNA repair enzymes
Transcription factor
