A tumor derived from argentaffin cells in the intestinal tract, bile duct, pancreas, bronchus, or ovary is:
A) neoplasm.
B) anaplasia.
C) neuroblastoma.
D) carcinoid.
Question 2
A cancerous tumor of fat cells is called:
A) sarcoma.
B) liposarcoma.
C) adenoma.
D) lipoma.