1.

Which of the following characterizes the biologic nature of carcinoid tumors (argentaffinomas)?

A. benign but produce systemic symptoms
B. production of systemic symptoms when they metastasize to the liver
C. especially malignant when primary in the appendix
D. production of jejunal ulceration due to gastrin elaboration
Answer» C. especially malignant when primary in the appendix


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