there were 159 tumors with the potential for producing various ectopic hormones as well as biologically active amines , including 112 oat cell carcinomas , 37 carcinoid tumors , 4 paragangliomas , 2 pancreatic islet cell tumors , 2 medullary thyroid carcinomas , 1 pituitary adenoma , and 1 pinealocytoma .
C0027651
tumors
C0032000
pituitary adenoma